81451376

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 163114560

約数和(自身を除く): 81663184

約数列:

[1, 2, 4, 8, 16, 47, 89, 94, 178, 188, 356, 376, 712, 752, 1217, 1424, 2434, 4183, 4868, 8366, 9736, 16732, 19472, 33464, 57199, 66928, 108313, 114398, 216626, 228796, 433252, 457592, 866504, 915184, 1733008, 5090711, 10181422, 20362844, 40725688, 81451376]

約数ペア:

[(1, 81451376), (2, 40725688), (4, 20362844), (8, 10181422), (16, 5090711), (47, 1733008), (89, 915184), (94, 866504), (178, 457592), (188, 433252), (356, 228796), (376, 216626), (712, 114398), (752, 108313), (1217, 66928), (1424, 57199), (2434, 33464), (4183, 19472), (4868, 16732), (8366, 9736)]