638492045432

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{6073}}^1\times {\mathrm{215443}}^1$

素因数の和:221583

約数の個数: 32

約数和(自身を含む): 1217004376080

約数和(自身を除く): 578512330648

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 6073, 12146, 24292, 48584, 215443, 370453, 430886, 740906, 861772, 1481812, 1723544, 2963624, 13142023, 26284046, 52568092, 105136184, 1308385339, 2616770678, 5233541356, 10467082712, 79811505679, 159623011358, 319246022716, 638492045432]

約数ペア:

[(1, 638492045432), (2, 319246022716), (4, 159623011358), (8, 79811505679), (61, 10467082712), (122, 5233541356), (244, 2616770678), (488, 1308385339), (6073, 105136184), (12146, 52568092), (24292, 26284046), (48584, 13142023), (215443, 2963624), (370453, 1723544), (430886, 1481812), (740906, 861772)]