15721081996

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1\times {\mathrm{1193}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 28470022560

約数和(自身を除く): 12748940564

約数列:

[1, 2, 4, 37, 74, 148, 269, 331, 538, 662, 1076, 1193, 1324, 2386, 4772, 9953, 12247, 19906, 24494, 39812, 44141, 48988, 88282, 89039, 176564, 178078, 320917, 356156, 394883, 641834, 789766, 1283668, 1579532, 3294443, 6588886, 11873929, 13177772, 14610671, 23747858, 29221342, 47495716, 58442684, 106223527, 212447054, 424894108, 3930270499, 7860540998, 15721081996]

約数ペア:

[(1, 15721081996), (2, 7860540998), (4, 3930270499), (37, 424894108), (74, 212447054), (148, 106223527), (269, 58442684), (331, 47495716), (538, 29221342), (662, 23747858), (1076, 14610671), (1193, 13177772), (1324, 11873929), (2386, 6588886), (4772, 3294443), (9953, 1579532), (12247, 1283668), (19906, 789766), (24494, 641834), (39812, 394883), (44141, 356156), (48988, 320917), (88282, 178078), (89039, 176564)]