218461696

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1375

約数の個数: 80

約数和(自身を含む): 486866160

約数和(自身を除く): 268404464

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 512, 544, 608, 646, 1088, 1216, 1292, 1321, 2176, 2432, 2584, 2642, 4352, 4864, 5168, 5284, 8704, 9728, 10336, 10568, 20672, 21136, 22457, 25099, 41344, 42272, 44914, 50198, 82688, 84544, 89828, 100396, 165376, 169088, 179656, 200792, 338176, 359312, 401584, 426683, 676352, 718624, 803168, 853366, 1437248, 1606336, 1706732, 2874496, 3212672, 3413464, 5748992, 6425344, 6826928, 11497984, 12850688, 13653856, 27307712, 54615424, 109230848, 218461696]

約数ペア:

[(1, 218461696), (2, 109230848), (4, 54615424), (8, 27307712), (16, 13653856), (17, 12850688), (19, 11497984), (32, 6826928), (34, 6425344), (38, 5748992), (64, 3413464), (68, 3212672), (76, 2874496), (128, 1706732), (136, 1606336), (152, 1437248), (256, 853366), (272, 803168), (304, 718624), (323, 676352), (512, 426683), (544, 401584), (608, 359312), (646, 338176), (1088, 200792), (1216, 179656), (1292, 169088), (1321, 165376), (2176, 100396), (2432, 89828), (2584, 84544), (2642, 82688), (4352, 50198), (4864, 44914), (5168, 42272), (5284, 41344), (8704, 25099), (9728, 22457), (10336, 21136), (10568, 20672)]