81206416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8069}}^1$

素因数の和:8131

約数の個数: 40

約数和(自身を含む): 171116280

約数和(自身を除く): 89909864

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 8069, 10064, 16138, 32276, 64552, 129104, 137173, 274346, 298553, 548692, 597106, 1097384, 1194212, 2194768, 2388424, 4776848, 5075401, 10150802, 20301604, 40603208, 81206416]

約数ペア:

[(1, 81206416), (2, 40603208), (4, 20301604), (8, 10150802), (16, 5075401), (17, 4776848), (34, 2388424), (37, 2194768), (68, 1194212), (74, 1097384), (136, 597106), (148, 548692), (272, 298553), (296, 274346), (592, 137173), (629, 129104), (1258, 64552), (2516, 32276), (5032, 16138), (8069, 10064)]