156989216

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 318181248

約数和(自身を除く): 161192032

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 271, 344, 421, 542, 688, 842, 1084, 1376, 1684, 2168, 3368, 4336, 6736, 8672, 11653, 13472, 18103, 23306, 36206, 46612, 72412, 93224, 114091, 144824, 186448, 228182, 289648, 372896, 456364, 579296, 912728, 1825456, 3650912, 4905913, 9811826, 19623652, 39247304, 78494608, 156989216]

約数ペア:

[(1, 156989216), (2, 78494608), (4, 39247304), (8, 19623652), (16, 9811826), (32, 4905913), (43, 3650912), (86, 1825456), (172, 912728), (271, 579296), (344, 456364), (421, 372896), (542, 289648), (688, 228182), (842, 186448), (1084, 144824), (1376, 114091), (1684, 93224), (2168, 72412), (3368, 46612), (4336, 36206), (6736, 23306), (8672, 18103), (11653, 13472)]