642020328

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{307481}}^1$

素因数の和:307522

約数の個数: 48

約数和(自身を含む): 1798769700

約数和(自身を除く): 1156749372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 307481, 614962, 922443, 1229924, 1844886, 2459848, 2767329, 3689772, 5534658, 7379544, 8916949, 11069316, 17833898, 22138632, 26750847, 35667796, 53501694, 71335592, 80252541, 107003388, 160505082, 214006776, 321010164, 642020328]

約数ペア:

[(1, 642020328), (2, 321010164), (3, 214006776), (4, 160505082), (6, 107003388), (8, 80252541), (9, 71335592), (12, 53501694), (18, 35667796), (24, 26750847), (29, 22138632), (36, 17833898), (58, 11069316), (72, 8916949), (87, 7379544), (116, 5534658), (174, 3689772), (232, 2767329), (261, 2459848), (348, 1844886), (522, 1229924), (696, 922443), (1044, 614962), (2088, 307481)]