668719216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{64399}}^1$

素因数の和:64477

約数の個数: 40

約数和(自身を含む): 1437408000

約数和(自身を除く): 768688784

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 2596, 5192, 10384, 64399, 128798, 257596, 515192, 708389, 1030384, 1416778, 2833556, 3799541, 5667112, 7599082, 11334224, 15198164, 30396328, 41794951, 60792656, 83589902, 167179804, 334359608, 668719216]

約数ペア:

[(1, 668719216), (2, 334359608), (4, 167179804), (8, 83589902), (11, 60792656), (16, 41794951), (22, 30396328), (44, 15198164), (59, 11334224), (88, 7599082), (118, 5667112), (176, 3799541), (236, 2833556), (472, 1416778), (649, 1030384), (944, 708389), (1298, 515192), (2596, 257596), (5192, 128798), (10384, 64399)]