78828728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 107795272

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 29, 34, 44, 46, 58, 68, 79, 88, 92, 116, 136, 158, 184, 187, 232, 253, 316, 319, 374, 391, 493, 506, 632, 638, 667, 748, 782, 869, 986, 1012, 1276, 1334, 1343, 1496, 1564, 1738, 1817, 1972, 2024, 2291, 2552, 2668, 2686, 3128, 3476, 3634, 3944, 4301, 4582, 5336, 5372, 5423, 6952, 7268, 7337, 8602, 9164, 10744, 10846, 11339, 14536, 14674, 14773, 17204, 18328, 19987, 21692, 22678, 25201, 29348, 29546, 30889, 34408, 38947, 39974, 43384, 45356, 50402, 52693, 58696, 59092, 61778, 77894, 79948, 90712, 100804, 105386, 118184, 123556, 124729, 155788, 159896, 201608, 210772, 247112, 249458, 311576, 339779, 421544, 428417, 498916, 579623, 679558, 856834, 895781, 997832, 1159246, 1359116, 1713668, 1791562, 2318492, 2718232, 3427336, 3583124, 4636984, 7166248, 9853591, 19707182, 39414364, 78828728]

約数ペア:

[(1, 78828728), (2, 39414364), (4, 19707182), (8, 9853591), (11, 7166248), (17, 4636984), (22, 3583124), (23, 3427336), (29, 2718232), (34, 2318492), (44, 1791562), (46, 1713668), (58, 1359116), (68, 1159246), (79, 997832), (88, 895781), (92, 856834), (116, 679558), (136, 579623), (158, 498916), (184, 428417), (187, 421544), (232, 339779), (253, 311576), (316, 249458), (319, 247112), (374, 210772), (391, 201608), (493, 159896), (506, 155788), (632, 124729), (638, 123556), (667, 118184), (748, 105386), (782, 100804), (869, 90712), (986, 79948), (1012, 77894), (1276, 61778), (1334, 59092), (1343, 58696), (1496, 52693), (1564, 50402), (1738, 45356), (1817, 43384), (1972, 39974), (2024, 38947), (2291, 34408), (2552, 30889), (2668, 29546), (2686, 29348), (3128, 25201), (3476, 22678), (3634, 21692), (3944, 19987), (4301, 18328), (4582, 17204), (5336, 14773), (5372, 14674), (5423, 14536), (6952, 11339), (7268, 10846), (7337, 10744), (8602, 9164)]