81753136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 172535832

約数和(自身を除く): 90782696

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 107, 136, 212, 214, 272, 424, 428, 848, 856, 901, 1712, 1802, 1819, 2809, 3604, 3638, 5618, 5671, 7208, 7276, 11236, 11342, 14416, 14552, 22472, 22684, 29104, 44944, 45368, 47753, 90736, 95506, 96407, 191012, 192814, 300563, 382024, 385628, 601126, 764048, 771256, 1202252, 1542512, 2404504, 4809008, 5109571, 10219142, 20438284, 40876568, 81753136]

約数ペア:

[(1, 81753136), (2, 40876568), (4, 20438284), (8, 10219142), (16, 5109571), (17, 4809008), (34, 2404504), (53, 1542512), (68, 1202252), (106, 771256), (107, 764048), (136, 601126), (212, 385628), (214, 382024), (272, 300563), (424, 192814), (428, 191012), (848, 96407), (856, 95506), (901, 90736), (1712, 47753), (1802, 45368), (1819, 44944), (2809, 29104), (3604, 22684), (3638, 22472), (5618, 14552), (5671, 14416), (7208, 11342), (7276, 11236)]