664244902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 1069977600

約数和(自身を除く): 405732698

約数列:

[1, 2, 19, 38, 71, 142, 191, 382, 1289, 1349, 2578, 2698, 3629, 7258, 13561, 24491, 27122, 48982, 91519, 183038, 246199, 257659, 492398, 515318, 1738861, 3477722, 4677781, 9355562, 17480129, 34960258, 332122451, 664244902]

約数ペア:

[(1, 664244902), (2, 332122451), (19, 34960258), (38, 17480129), (71, 9355562), (142, 4677781), (191, 3477722), (382, 1738861), (1289, 515318), (1349, 492398), (2578, 257659), (2698, 246199), (3629, 183038), (7258, 91519), (13561, 48982), (24491, 27122)]