81388392

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 211814400

約数和(自身を除く): 130426008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 139, 186, 248, 278, 372, 417, 556, 744, 787, 834, 1112, 1574, 1668, 2361, 3148, 3336, 4309, 4722, 6296, 8618, 9444, 12927, 17236, 18888, 24397, 25854, 34472, 48794, 51708, 73191, 97588, 103416, 109393, 146382, 195176, 218786, 292764, 328179, 437572, 585528, 656358, 875144, 1312716, 2625432, 3391183, 6782366, 10173549, 13564732, 20347098, 27129464, 40694196, 81388392]

約数ペア:

[(1, 81388392), (2, 40694196), (3, 27129464), (4, 20347098), (6, 13564732), (8, 10173549), (12, 6782366), (24, 3391183), (31, 2625432), (62, 1312716), (93, 875144), (124, 656358), (139, 585528), (186, 437572), (248, 328179), (278, 292764), (372, 218786), (417, 195176), (556, 146382), (744, 109393), (787, 103416), (834, 97588), (1112, 73191), (1574, 51708), (1668, 48794), (2361, 34472), (3148, 25854), (3336, 24397), (4309, 18888), (4722, 17236), (6296, 12927), (8618, 9444)]