1994609838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{3581}}^1$

素因数の和:3829

約数の個数: 64

約数和(自身を含む): 4436292672

約数和(自身を除く): 2441682834

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 193, 222, 386, 481, 579, 962, 1158, 1443, 2509, 2886, 3581, 5018, 7141, 7162, 7527, 10743, 14282, 15054, 21423, 21486, 42846, 46553, 92833, 93106, 132497, 139659, 185666, 264994, 278499, 279318, 397491, 556998, 691133, 794982, 1382266, 1722461, 2073399, 3444922, 4146798, 5167383, 8984729, 10334766, 17969458, 25571921, 26954187, 51143842, 53908374, 76715763, 153431526, 332434973, 664869946, 997304919, 1994609838]

約数ペア:

[(1, 1994609838), (2, 997304919), (3, 664869946), (6, 332434973), (13, 153431526), (26, 76715763), (37, 53908374), (39, 51143842), (74, 26954187), (78, 25571921), (111, 17969458), (193, 10334766), (222, 8984729), (386, 5167383), (481, 4146798), (579, 3444922), (962, 2073399), (1158, 1722461), (1443, 1382266), (2509, 794982), (2886, 691133), (3581, 556998), (5018, 397491), (7141, 279318), (7162, 278499), (7527, 264994), (10743, 185666), (14282, 139659), (15054, 132497), (21423, 93106), (21486, 92833), (42846, 46553)]