78494608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 156565376

約数和(自身を除く): 78070768

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 271, 344, 421, 542, 688, 842, 1084, 1684, 2168, 3368, 4336, 6736, 11653, 18103, 23306, 36206, 46612, 72412, 93224, 114091, 144824, 186448, 228182, 289648, 456364, 912728, 1825456, 4905913, 9811826, 19623652, 39247304, 78494608]

約数ペア:

[(1, 78494608), (2, 39247304), (4, 19623652), (8, 9811826), (16, 4905913), (43, 1825456), (86, 912728), (172, 456364), (271, 289648), (344, 228182), (421, 186448), (542, 144824), (688, 114091), (842, 93224), (1084, 72412), (1684, 46612), (2168, 36206), (3368, 23306), (4336, 18103), (6736, 11653)]