1628939844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 4970609280

約数和(自身を除く): 3341669436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 521, 532, 653, 684, 798, 1042, 1197, 1306, 1563, 1596, 1959, 2084, 2394, 2612, 3126, 3647, 3918, 4571, 4689, 4788, 5877, 6252, 7294, 7836, 9142, 9378, 9899, 10941, 11754, 12407, 13713, 14588, 18284, 18756, 19798, 21882, 23508, 24814, 27426, 29697, 32823, 37221, 39596, 41139, 43764, 49628, 54852, 59394, 65646, 69293, 74442, 82278, 86849, 89091, 111663, 118788, 131292, 138586, 148884, 164556, 173698, 178182, 207879, 223326, 260547, 277172, 340213, 347396, 356364, 415758, 446652, 521094, 623637, 680426, 781641, 831516, 1020639, 1042188, 1247274, 1360852, 1563282, 2041278, 2381491, 2494548, 3061917, 3126564, 4082556, 4762982, 6123834, 6464047, 7144473, 9525964, 12247668, 12928094, 14288946, 19392141, 21433419, 25856188, 28577892, 38784282, 42866838, 45248329, 58176423, 77568564, 85733676, 90496658, 116352846, 135744987, 180993316, 232705692, 271489974, 407234961, 542979948, 814469922, 1628939844]

約数ペア:

[(1, 1628939844), (2, 814469922), (3, 542979948), (4, 407234961), (6, 271489974), (7, 232705692), (9, 180993316), (12, 135744987), (14, 116352846), (18, 90496658), (19, 85733676), (21, 77568564), (28, 58176423), (36, 45248329), (38, 42866838), (42, 38784282), (57, 28577892), (63, 25856188), (76, 21433419), (84, 19392141), (114, 14288946), (126, 12928094), (133, 12247668), (171, 9525964), (228, 7144473), (252, 6464047), (266, 6123834), (342, 4762982), (399, 4082556), (521, 3126564), (532, 3061917), (653, 2494548), (684, 2381491), (798, 2041278), (1042, 1563282), (1197, 1360852), (1306, 1247274), (1563, 1042188), (1596, 1020639), (1959, 831516), (2084, 781641), (2394, 680426), (2612, 623637), (3126, 521094), (3647, 446652), (3918, 415758), (4571, 356364), (4689, 347396), (4788, 340213), (5877, 277172), (6252, 260547), (7294, 223326), (7836, 207879), (9142, 178182), (9378, 173698), (9899, 164556), (10941, 148884), (11754, 138586), (12407, 131292), (13713, 118788), (14588, 111663), (18284, 89091), (18756, 86849), (19798, 82278), (21882, 74442), (23508, 69293), (24814, 65646), (27426, 59394), (29697, 54852), (32823, 49628), (37221, 43764), (39596, 41139)]