208505808

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3473

約数の個数: 120

約数和(自身を含む): 678020096

約数和(自身を除く): 469514288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 488, 504, 549, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 2196, 2562, 2928, 3391, 3416, 3843, 4392, 5124, 6782, 6832, 7686, 8784, 10173, 10248, 13564, 15372, 20346, 20496, 23737, 27128, 30519, 30744, 40692, 47474, 54256, 61038, 61488, 71211, 81384, 94948, 122076, 142422, 162768, 189896, 206851, 213633, 244152, 284844, 379792, 413702, 427266, 488304, 569688, 620553, 827404, 854532, 1139376, 1241106, 1447957, 1654808, 1709064, 1861659, 2482212, 2895914, 3309616, 3418128, 3723318, 4343871, 4964424, 5791828, 7446636, 8687742, 9928848, 11583656, 13031613, 14893272, 17375484, 23167312, 26063226, 29786544, 34750968, 52126452, 69501936, 104252904, 208505808]

約数ペア:

[(1, 208505808), (2, 104252904), (3, 69501936), (4, 52126452), (6, 34750968), (7, 29786544), (8, 26063226), (9, 23167312), (12, 17375484), (14, 14893272), (16, 13031613), (18, 11583656), (21, 9928848), (24, 8687742), (28, 7446636), (36, 5791828), (42, 4964424), (48, 4343871), (56, 3723318), (61, 3418128), (63, 3309616), (72, 2895914), (84, 2482212), (112, 1861659), (122, 1709064), (126, 1654808), (144, 1447957), (168, 1241106), (183, 1139376), (244, 854532), (252, 827404), (336, 620553), (366, 569688), (427, 488304), (488, 427266), (504, 413702), (549, 379792), (732, 284844), (854, 244152), (976, 213633), (1008, 206851), (1098, 189896), (1281, 162768), (1464, 142422), (1708, 122076), (2196, 94948), (2562, 81384), (2928, 71211), (3391, 61488), (3416, 61038), (3843, 54256), (4392, 47474), (5124, 40692), (6782, 30744), (6832, 30519), (7686, 27128), (8784, 23737), (10173, 20496), (10248, 20346), (13564, 15372)]