388049688

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31891}}^1$

素因数の和:31929

約数の個数: 72

約数和(自身を含む): 1138066020

約数和(自身を除く): 750016332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 31891, 63782, 95673, 127564, 191346, 255128, 287019, 382692, 414583, 574038, 765384, 829166, 1148076, 1243749, 1658332, 2296152, 2487498, 3316664, 3731247, 4974996, 5389579, 7462494, 9949992, 10779158, 14924988, 16168737, 21558316, 29849976, 32337474, 43116632, 48506211, 64674948, 97012422, 129349896, 194024844, 388049688]

約数ペア:

[(1, 388049688), (2, 194024844), (3, 129349896), (4, 97012422), (6, 64674948), (8, 48506211), (9, 43116632), (12, 32337474), (13, 29849976), (18, 21558316), (24, 16168737), (26, 14924988), (36, 10779158), (39, 9949992), (52, 7462494), (72, 5389579), (78, 4974996), (104, 3731247), (117, 3316664), (156, 2487498), (169, 2296152), (234, 1658332), (312, 1243749), (338, 1148076), (468, 829166), (507, 765384), (676, 574038), (936, 414583), (1014, 382692), (1352, 287019), (1521, 255128), (2028, 191346), (3042, 127564), (4056, 95673), (6084, 63782), (12168, 31891)]