70881304

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 145594800

約数和(自身を除く): 74713496

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 169, 206, 338, 412, 509, 676, 824, 1018, 1339, 1352, 2036, 2678, 4072, 5356, 6617, 10712, 13234, 17407, 26468, 34814, 52427, 52936, 69628, 86021, 104854, 139256, 172042, 209708, 344084, 419416, 681551, 688168, 1363102, 2726204, 5452408, 8860163, 17720326, 35440652, 70881304]

約数ペア:

[(1, 70881304), (2, 35440652), (4, 17720326), (8, 8860163), (13, 5452408), (26, 2726204), (52, 1363102), (103, 688168), (104, 681551), (169, 419416), (206, 344084), (338, 209708), (412, 172042), (509, 139256), (676, 104854), (824, 86021), (1018, 69628), (1339, 52936), (1352, 52427), (2036, 34814), (2678, 26468), (4072, 17407), (5356, 13234), (6617, 10712)]