56721392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 136657920

約数和(自身を除く): 79936528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 163, 182, 208, 239, 326, 364, 478, 652, 728, 956, 1141, 1304, 1456, 1673, 1912, 2119, 2282, 2608, 3107, 3346, 3824, 4238, 4564, 6214, 6692, 8476, 9128, 12428, 13384, 14833, 16952, 18256, 21749, 24856, 26768, 29666, 33904, 38957, 43498, 49712, 59332, 77914, 86996, 118664, 155828, 173992, 237328, 272699, 311656, 347984, 506441, 545398, 623312, 1012882, 1090796, 2025764, 2181592, 3545087, 4051528, 4363184, 7090174, 8103056, 14180348, 28360696, 56721392]

約数ペア:

[(1, 56721392), (2, 28360696), (4, 14180348), (7, 8103056), (8, 7090174), (13, 4363184), (14, 4051528), (16, 3545087), (26, 2181592), (28, 2025764), (52, 1090796), (56, 1012882), (91, 623312), (104, 545398), (112, 506441), (163, 347984), (182, 311656), (208, 272699), (239, 237328), (326, 173992), (364, 155828), (478, 118664), (652, 86996), (728, 77914), (956, 59332), (1141, 49712), (1304, 43498), (1456, 38957), (1673, 33904), (1912, 29666), (2119, 26768), (2282, 24856), (2608, 21749), (3107, 18256), (3346, 16952), (3824, 14833), (4238, 13384), (4564, 12428), (6214, 9128), (6692, 8476)]