1680688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 3562272

約数和(自身を除く): 1881584

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 167, 272, 296, 334, 592, 629, 668, 1258, 1336, 2516, 2672, 2839, 5032, 5678, 6179, 10064, 11356, 12358, 22712, 24716, 45424, 49432, 98864, 105043, 210086, 420172, 840344, 1680688]

約数ペア:

[(1, 1680688), (2, 840344), (4, 420172), (8, 210086), (16, 105043), (17, 98864), (34, 49432), (37, 45424), (68, 24716), (74, 22712), (136, 12358), (148, 11356), (167, 10064), (272, 6179), (296, 5678), (334, 5032), (592, 2839), (629, 2672), (668, 2516), (1258, 1336)]