66861808

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 142505760

約数和(自身を除く): 75643952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 169, 208, 313, 316, 338, 626, 632, 676, 1027, 1252, 1264, 1352, 2054, 2504, 2704, 4069, 4108, 5008, 8138, 8216, 13351, 16276, 16432, 24727, 26702, 32552, 49454, 52897, 53404, 65104, 98908, 105794, 106808, 197816, 211588, 213616, 321451, 395632, 423176, 642902, 846352, 1285804, 2571608, 4178863, 5143216, 8357726, 16715452, 33430904, 66861808]

約数ペア:

[(1, 66861808), (2, 33430904), (4, 16715452), (8, 8357726), (13, 5143216), (16, 4178863), (26, 2571608), (52, 1285804), (79, 846352), (104, 642902), (158, 423176), (169, 395632), (208, 321451), (313, 213616), (316, 211588), (338, 197816), (626, 106808), (632, 105794), (676, 98908), (1027, 65104), (1252, 53404), (1264, 52897), (1352, 49454), (2054, 32552), (2504, 26702), (2704, 24727), (4069, 16432), (4108, 16276), (5008, 13351), (8138, 8216)]