128216992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7603}}^1$

素因数の和:7661

約数の個数: 48

約数和(自身を含む): 275933952

約数和(自身を除く): 147716960

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 7603, 8432, 15206, 16864, 30412, 60824, 121648, 129251, 235693, 243296, 258502, 471386, 517004, 942772, 1034008, 1885544, 2068016, 3771088, 4006781, 4136032, 7542176, 8013562, 16027124, 32054248, 64108496, 128216992]

約数ペア:

[(1, 128216992), (2, 64108496), (4, 32054248), (8, 16027124), (16, 8013562), (17, 7542176), (31, 4136032), (32, 4006781), (34, 3771088), (62, 2068016), (68, 1885544), (124, 1034008), (136, 942772), (248, 517004), (272, 471386), (496, 258502), (527, 243296), (544, 235693), (992, 129251), (1054, 121648), (2108, 60824), (4216, 30412), (7603, 16864), (8432, 15206)]