639665904

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{8111}}^1$

素因数の和:8206

約数の個数: 80

約数和(自身を含む): 1738174464

約数和(自身を除く): 1098508560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 496, 636, 744, 848, 1272, 1488, 1643, 2544, 3286, 4929, 6572, 8111, 9858, 13144, 16222, 19716, 24333, 26288, 32444, 39432, 48666, 64888, 78864, 97332, 129776, 194664, 251441, 389328, 429883, 502882, 754323, 859766, 1005764, 1289649, 1508646, 1719532, 2011528, 2579298, 3017292, 3439064, 4023056, 5158596, 6034584, 6878128, 10317192, 12069168, 13326373, 20634384, 26652746, 39979119, 53305492, 79958238, 106610984, 159916476, 213221968, 319832952, 639665904]

約数ペア:

[(1, 639665904), (2, 319832952), (3, 213221968), (4, 159916476), (6, 106610984), (8, 79958238), (12, 53305492), (16, 39979119), (24, 26652746), (31, 20634384), (48, 13326373), (53, 12069168), (62, 10317192), (93, 6878128), (106, 6034584), (124, 5158596), (159, 4023056), (186, 3439064), (212, 3017292), (248, 2579298), (318, 2011528), (372, 1719532), (424, 1508646), (496, 1289649), (636, 1005764), (744, 859766), (848, 754323), (1272, 502882), (1488, 429883), (1643, 389328), (2544, 251441), (3286, 194664), (4929, 129776), (6572, 97332), (8111, 78864), (9858, 64888), (13144, 48666), (16222, 39432), (19716, 32444), (24333, 26288)]