418760316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20809}}^1$

素因数の和:20875

約数の個数: 72

約数和(自身を含む): 1166525360

約数和(自身を除く): 747765044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 20124, 20809, 41618, 62427, 83236, 124854, 187281, 249708, 270517, 374562, 541034, 749124, 811551, 894787, 1082068, 1623102, 1789574, 2434653, 2684361, 3246204, 3579148, 4869306, 5368722, 8053083, 9738612, 10737444, 11632231, 16106166, 23264462, 32212332, 34896693, 46528924, 69793386, 104690079, 139586772, 209380158, 418760316]

約数ペア:

[(1, 418760316), (2, 209380158), (3, 139586772), (4, 104690079), (6, 69793386), (9, 46528924), (12, 34896693), (13, 32212332), (18, 23264462), (26, 16106166), (36, 11632231), (39, 10737444), (43, 9738612), (52, 8053083), (78, 5368722), (86, 4869306), (117, 3579148), (129, 3246204), (156, 2684361), (172, 2434653), (234, 1789574), (258, 1623102), (387, 1082068), (468, 894787), (516, 811551), (559, 749124), (774, 541034), (1118, 374562), (1548, 270517), (1677, 249708), (2236, 187281), (3354, 124854), (5031, 83236), (6708, 62427), (10062, 41618), (20124, 20809)]