128319168

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21559}}^1$

素因数の和:21605

約数の個数: 56

約数和(自身を含む): 350479360

約数和(自身を除く): 222160192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 5952, 21559, 43118, 64677, 86236, 129354, 172472, 258708, 344944, 517416, 668329, 689888, 1034832, 1336658, 1379776, 2004987, 2069664, 2673316, 4009974, 4139328, 5346632, 8019948, 10693264, 16039896, 21386528, 32079792, 42773056, 64159584, 128319168]

約数ペア:

[(1, 128319168), (2, 64159584), (3, 42773056), (4, 32079792), (6, 21386528), (8, 16039896), (12, 10693264), (16, 8019948), (24, 5346632), (31, 4139328), (32, 4009974), (48, 2673316), (62, 2069664), (64, 2004987), (93, 1379776), (96, 1336658), (124, 1034832), (186, 689888), (192, 668329), (248, 517416), (372, 344944), (496, 258708), (744, 172472), (992, 129354), (1488, 86236), (1984, 64677), (2976, 43118), (5952, 21559)]