221040664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 505612800

約数和(自身を除く): 284572136

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 37, 52, 62, 68, 74, 104, 109, 124, 136, 148, 218, 221, 248, 296, 403, 436, 442, 481, 527, 629, 806, 872, 884, 962, 1054, 1147, 1258, 1417, 1612, 1768, 1853, 1924, 2108, 2294, 2516, 2834, 3224, 3379, 3706, 3848, 4033, 4216, 4588, 5032, 5668, 6758, 6851, 7412, 8066, 8177, 9176, 11336, 13516, 13702, 14824, 14911, 16132, 16354, 19499, 24089, 27032, 27404, 29822, 32264, 32708, 38998, 43927, 48178, 52429, 54808, 57443, 59644, 65416, 68561, 77996, 87854, 96356, 104858, 114886, 119288, 125023, 137122, 155992, 175708, 192712, 209716, 229772, 250046, 253487, 274244, 351416, 419432, 459544, 500092, 506974, 548488, 746759, 891293, 1000184, 1013948, 1493518, 1625299, 1782586, 2027896, 2125391, 2987036, 3250598, 3565172, 4250782, 5974072, 6501196, 7130344, 8501564, 13002392, 17003128, 27630083, 55260166, 110520332, 221040664]

約数ペア:

[(1, 221040664), (2, 110520332), (4, 55260166), (8, 27630083), (13, 17003128), (17, 13002392), (26, 8501564), (31, 7130344), (34, 6501196), (37, 5974072), (52, 4250782), (62, 3565172), (68, 3250598), (74, 2987036), (104, 2125391), (109, 2027896), (124, 1782586), (136, 1625299), (148, 1493518), (218, 1013948), (221, 1000184), (248, 891293), (296, 746759), (403, 548488), (436, 506974), (442, 500092), (481, 459544), (527, 419432), (629, 351416), (806, 274244), (872, 253487), (884, 250046), (962, 229772), (1054, 209716), (1147, 192712), (1258, 175708), (1417, 155992), (1612, 137122), (1768, 125023), (1853, 119288), (1924, 114886), (2108, 104858), (2294, 96356), (2516, 87854), (2834, 77996), (3224, 68561), (3379, 65416), (3706, 59644), (3848, 57443), (4033, 54808), (4216, 52429), (4588, 48178), (5032, 43927), (5668, 38998), (6758, 32708), (6851, 32264), (7412, 29822), (8066, 27404), (8177, 27032), (9176, 24089), (11336, 19499), (13516, 16354), (13702, 16132), (14824, 14911)]