815011390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{10909}}^1$

素因数の和:11188

約数の個数: 32

約数和(自身を含む): 1520766720

約数和(自身を除く): 705755330

約数列:

[1, 2, 5, 10, 31, 62, 155, 241, 310, 482, 1205, 2410, 7471, 10909, 14942, 21818, 37355, 54545, 74710, 109090, 338179, 676358, 1690895, 2629069, 3381790, 5258138, 13145345, 26290690, 81501139, 163002278, 407505695, 815011390]

約数ペア:

[(1, 815011390), (2, 407505695), (5, 163002278), (10, 81501139), (31, 26290690), (62, 13145345), (155, 5258138), (241, 3381790), (310, 2629069), (482, 1690895), (1205, 676358), (2410, 338179), (7471, 109090), (10909, 74710), (14942, 54545), (21818, 37355)]