16581664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 72

約数和(自身を含む): 38063088

約数和(自身を除く): 21481424

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 163, 176, 187, 272, 289, 326, 352, 374, 544, 578, 652, 748, 1156, 1304, 1496, 1793, 2312, 2608, 2771, 2992, 3179, 3586, 4624, 5216, 5542, 5984, 6358, 7172, 9248, 11084, 12716, 14344, 22168, 25432, 28688, 30481, 44336, 47107, 50864, 57376, 60962, 88672, 94214, 101728, 121924, 188428, 243848, 376856, 487696, 518177, 753712, 975392, 1036354, 1507424, 2072708, 4145416, 8290832, 16581664]

約数ペア:

[(1, 16581664), (2, 8290832), (4, 4145416), (8, 2072708), (11, 1507424), (16, 1036354), (17, 975392), (22, 753712), (32, 518177), (34, 487696), (44, 376856), (68, 243848), (88, 188428), (136, 121924), (163, 101728), (176, 94214), (187, 88672), (272, 60962), (289, 57376), (326, 50864), (352, 47107), (374, 44336), (544, 30481), (578, 28688), (652, 25432), (748, 22168), (1156, 14344), (1304, 12716), (1496, 11084), (1793, 9248), (2312, 7172), (2608, 6358), (2771, 5984), (2992, 5542), (3179, 5216), (3586, 4624)]