31890488

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 71928000

約数和(自身を除く): 40037512

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 73, 116, 146, 203, 232, 269, 292, 406, 511, 538, 584, 812, 1022, 1076, 1624, 1883, 2044, 2117, 2152, 3766, 4088, 4234, 7532, 7801, 8468, 14819, 15064, 15602, 16936, 19637, 29638, 31204, 39274, 54607, 59276, 62408, 78548, 109214, 118552, 137459, 157096, 218428, 274918, 436856, 549836, 569473, 1099672, 1138946, 2277892, 3986311, 4555784, 7972622, 15945244, 31890488]

約数ペア:

[(1, 31890488), (2, 15945244), (4, 7972622), (7, 4555784), (8, 3986311), (14, 2277892), (28, 1138946), (29, 1099672), (56, 569473), (58, 549836), (73, 436856), (116, 274918), (146, 218428), (203, 157096), (232, 137459), (269, 118552), (292, 109214), (406, 78548), (511, 62408), (538, 59276), (584, 54607), (812, 39274), (1022, 31204), (1076, 29638), (1624, 19637), (1883, 16936), (2044, 15602), (2117, 15064), (2152, 14819), (3766, 8468), (4088, 7801), (4234, 7532)]