221421512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 462309120

約数和(自身を除く): 240887608

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 97, 104, 188, 194, 376, 388, 467, 611, 776, 934, 1222, 1261, 1868, 2444, 2522, 3736, 4559, 4888, 5044, 6071, 9118, 10088, 12142, 18236, 21949, 24284, 36472, 43898, 45299, 48568, 59267, 87796, 90598, 118534, 175592, 181196, 237068, 285337, 362392, 474136, 570674, 588887, 1141348, 1177774, 2129053, 2282696, 2355548, 4258106, 4711096, 8516212, 17032424, 27677689, 55355378, 110710756, 221421512]

約数ペア:

[(1, 221421512), (2, 110710756), (4, 55355378), (8, 27677689), (13, 17032424), (26, 8516212), (47, 4711096), (52, 4258106), (94, 2355548), (97, 2282696), (104, 2129053), (188, 1177774), (194, 1141348), (376, 588887), (388, 570674), (467, 474136), (611, 362392), (776, 285337), (934, 237068), (1222, 181196), (1261, 175592), (1868, 118534), (2444, 90598), (2522, 87796), (3736, 59267), (4559, 48568), (4888, 45299), (5044, 43898), (6071, 36472), (9118, 24284), (10088, 21949), (12142, 18236)]