991120788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:1006

約数の個数: 144

約数和(自身を含む): 3028072320

約数和(自身を除く): 2036951532

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, 317, 342, 399, 532, 634, 653, 684, 798, 951, 1197, 1268, 1306, 1596, 1902, 1959, 2219, 2394, 2612, 2853, 3804, 3918, 4438, 4571, 4788, 5706, 5877, 6023, 6657, 7836, 8876, 9142, 11412, 11754, 12046, 12407, 13314, 13713, 18069, 18284, 19971, 23508, 24092, 24814, 26628, 27426, 36138, 37221, 39942, 41139, 42161, 49628, 54207, 54852, 72276, 74442, 79884, 82278, 84322, 86849, 108414, 111663, 126483, 148884, 164556, 168644, 173698, 207001, 216828, 223326, 252966, 260547, 347396, 379449, 414002, 446652, 505932, 521094, 621003, 758898, 781641, 828004, 1042188, 1242006, 1449007, 1517796, 1563282, 1863009, 2484012, 2898014, 3126564, 3726018, 3933019, 4347021, 5796028, 7452036, 7866038, 8694042, 11799057, 13041063, 15732076, 17388084, 23598114, 26082126, 27531133, 35397171, 47196228, 52164252, 55062266, 70794342, 82593399, 110124532, 141588684, 165186798, 247780197, 330373596, 495560394, 991120788]

約数ペア:

[(1, 991120788), (2, 495560394), (3, 330373596), (4, 247780197), (6, 165186798), (7, 141588684), (9, 110124532), (12, 82593399), (14, 70794342), (18, 55062266), (19, 52164252), (21, 47196228), (28, 35397171), (36, 27531133), (38, 26082126), (42, 23598114), (57, 17388084), (63, 15732076), (76, 13041063), (84, 11799057), (114, 8694042), (126, 7866038), (133, 7452036), (171, 5796028), (228, 4347021), (252, 3933019), (266, 3726018), (317, 3126564), (342, 2898014), (399, 2484012), (532, 1863009), (634, 1563282), (653, 1517796), (684, 1449007), (798, 1242006), (951, 1042188), (1197, 828004), (1268, 781641), (1306, 758898), (1596, 621003), (1902, 521094), (1959, 505932), (2219, 446652), (2394, 414002), (2612, 379449), (2853, 347396), (3804, 260547), (3918, 252966), (4438, 223326), (4571, 216828), (4788, 207001), (5706, 173698), (5877, 168644), (6023, 164556), (6657, 148884), (7836, 126483), (8876, 111663), (9142, 108414), (11412, 86849), (11754, 84322), (12046, 82278), (12407, 79884), (13314, 74442), (13713, 72276), (18069, 54852), (18284, 54207), (19971, 49628), (23508, 42161), (24092, 41139), (24814, 39942), (26628, 37221), (27426, 36138)]