66443416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 142490880

約数和(自身を除く): 76047464

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 248, 296, 403, 481, 557, 806, 962, 1114, 1147, 1612, 1924, 2228, 2294, 3224, 3848, 4456, 4588, 7241, 9176, 14482, 14911, 17267, 20609, 28964, 29822, 34534, 41218, 57928, 59644, 69068, 82436, 119288, 138136, 164872, 224471, 267917, 448942, 535834, 638879, 897884, 1071668, 1277758, 1795768, 2143336, 2555516, 5111032, 8305427, 16610854, 33221708, 66443416]

約数ペア:

[(1, 66443416), (2, 33221708), (4, 16610854), (8, 8305427), (13, 5111032), (26, 2555516), (31, 2143336), (37, 1795768), (52, 1277758), (62, 1071668), (74, 897884), (104, 638879), (124, 535834), (148, 448942), (248, 267917), (296, 224471), (403, 164872), (481, 138136), (557, 119288), (806, 82436), (962, 69068), (1114, 59644), (1147, 57928), (1612, 41218), (1924, 34534), (2228, 29822), (2294, 28964), (3224, 20609), (3848, 17267), (4456, 14911), (4588, 14482), (7241, 9176)]