646989468

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 1660538880

約数和(自身を除く): 1013549412

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 263, 372, 389, 526, 527, 778, 789, 1052, 1054, 1167, 1556, 1578, 1581, 2108, 2334, 3156, 3162, 4471, 4668, 6324, 6613, 8153, 8942, 12059, 13226, 13413, 16306, 17884, 19839, 24118, 24459, 26452, 26826, 32612, 36177, 39678, 48236, 48918, 53652, 72354, 79356, 97836, 102307, 138601, 144708, 204614, 205003, 277202, 306921, 409228, 410006, 415803, 554404, 613842, 615009, 820012, 831606, 1227684, 1230018, 1663212, 1739219, 2460036, 3171517, 3478438, 5217657, 6343034, 6956876, 9514551, 10435314, 12686068, 19029102, 20870628, 38058204, 53915789, 107831578, 161747367, 215663156, 323494734, 646989468]

約数ペア:

[(1, 646989468), (2, 323494734), (3, 215663156), (4, 161747367), (6, 107831578), (12, 53915789), (17, 38058204), (31, 20870628), (34, 19029102), (51, 12686068), (62, 10435314), (68, 9514551), (93, 6956876), (102, 6343034), (124, 5217657), (186, 3478438), (204, 3171517), (263, 2460036), (372, 1739219), (389, 1663212), (526, 1230018), (527, 1227684), (778, 831606), (789, 820012), (1052, 615009), (1054, 613842), (1167, 554404), (1556, 415803), (1578, 410006), (1581, 409228), (2108, 306921), (2334, 277202), (3156, 205003), (3162, 204614), (4471, 144708), (4668, 138601), (6324, 102307), (6613, 97836), (8153, 79356), (8942, 72354), (12059, 53652), (13226, 48918), (13413, 48236), (16306, 39678), (17884, 36177), (19839, 32612), (24118, 26826), (24459, 26452)]