1388693456

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{7237}}^1$

素因数の和:7491

約数の個数: 40

約数和(自身を含む): 2746386720

約数和(自身を除く): 1357693264

約数列:

[1, 2, 4, 8, 16, 67, 134, 179, 268, 358, 536, 716, 1072, 1432, 2864, 7237, 11993, 14474, 23986, 28948, 47972, 57896, 95944, 115792, 191888, 484879, 969758, 1295423, 1939516, 2590846, 3879032, 5181692, 7758064, 10363384, 20726768, 86793341, 173586682, 347173364, 694346728, 1388693456]

約数ペア:

[(1, 1388693456), (2, 694346728), (4, 347173364), (8, 173586682), (16, 86793341), (67, 20726768), (134, 10363384), (179, 7758064), (268, 5181692), (358, 3879032), (536, 2590846), (716, 1939516), (1072, 1295423), (1432, 969758), (2864, 484879), (7237, 191888), (11993, 115792), (14474, 95944), (23986, 57896), (28948, 47972)]