642051232

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12611}}^1$

素因数の和:12701

約数の個数: 48

約数和(自身を含む): 1328497632

約数和(自身を除く): 686446400

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1184, 1376, 1591, 3182, 6364, 12611, 12728, 25222, 25456, 50444, 50912, 100888, 201776, 403552, 466607, 542273, 933214, 1084546, 1866428, 2169092, 3732856, 4338184, 7465712, 8676368, 14931424, 17352736, 20064101, 40128202, 80256404, 160512808, 321025616, 642051232]

約数ペア:

[(1, 642051232), (2, 321025616), (4, 160512808), (8, 80256404), (16, 40128202), (32, 20064101), (37, 17352736), (43, 14931424), (74, 8676368), (86, 7465712), (148, 4338184), (172, 3732856), (296, 2169092), (344, 1866428), (592, 1084546), (688, 933214), (1184, 542273), (1376, 466607), (1591, 403552), (3182, 201776), (6364, 100888), (12611, 50912), (12728, 50444), (25222, 25456)]