221476304

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18481}}^1$

素因数の和:18603

約数の個数: 40

約数和(自身を含む): 495021888

約数和(自身を除く): 273545584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984, 18481, 36962, 73924, 129367, 147848, 258734, 295696, 517468, 1034936, 1977467, 2069872, 3954934, 7909868, 13842269, 15819736, 27684538, 31639472, 55369076, 110738152, 221476304]

約数ペア:

[(1, 221476304), (2, 110738152), (4, 55369076), (7, 31639472), (8, 27684538), (14, 15819736), (16, 13842269), (28, 7909868), (56, 3954934), (107, 2069872), (112, 1977467), (214, 1034936), (428, 517468), (749, 295696), (856, 258734), (1498, 147848), (1712, 129367), (2996, 73924), (5992, 36962), (11984, 18481)]