215517372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 595230720

約数和(自身を除く): 379713348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 79, 84, 94, 141, 158, 188, 237, 282, 316, 329, 474, 553, 564, 658, 691, 948, 987, 1106, 1316, 1382, 1659, 1974, 2073, 2212, 2764, 3318, 3713, 3948, 4146, 4837, 6636, 7426, 8292, 9674, 11139, 14511, 14852, 19348, 22278, 25991, 29022, 32477, 44556, 51982, 54589, 58044, 64954, 77973, 97431, 103964, 109178, 129908, 155946, 163767, 194862, 218356, 227339, 311892, 327534, 382123, 389724, 454678, 655068, 682017, 764246, 909356, 1146369, 1364034, 1528492, 2292738, 2565683, 2728068, 4585476, 5131366, 7697049, 10262732, 15394098, 17959781, 30788196, 35919562, 53879343, 71839124, 107758686, 215517372]

約数ペア:

[(1, 215517372), (2, 107758686), (3, 71839124), (4, 53879343), (6, 35919562), (7, 30788196), (12, 17959781), (14, 15394098), (21, 10262732), (28, 7697049), (42, 5131366), (47, 4585476), (79, 2728068), (84, 2565683), (94, 2292738), (141, 1528492), (158, 1364034), (188, 1146369), (237, 909356), (282, 764246), (316, 682017), (329, 655068), (474, 454678), (553, 389724), (564, 382123), (658, 327534), (691, 311892), (948, 227339), (987, 218356), (1106, 194862), (1316, 163767), (1382, 155946), (1659, 129908), (1974, 109178), (2073, 103964), (2212, 97431), (2764, 77973), (3318, 64954), (3713, 58044), (3948, 54589), (4146, 51982), (4837, 44556), (6636, 32477), (7426, 29022), (8292, 25991), (9674, 22278), (11139, 19348), (14511, 14852)]