64449868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 136378368

約数和(自身を除く): 71928500

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 868, 1148, 1271, 1811, 2542, 3622, 5084, 7244, 8897, 12677, 17794, 25354, 35588, 50708, 56141, 74251, 112282, 148502, 224564, 297004, 392987, 519757, 785974, 1039514, 1571948, 2079028, 2301781, 4603562, 9207124, 16112467, 32224934, 64449868]

約数ペア:

[(1, 64449868), (2, 32224934), (4, 16112467), (7, 9207124), (14, 4603562), (28, 2301781), (31, 2079028), (41, 1571948), (62, 1039514), (82, 785974), (124, 519757), (164, 392987), (217, 297004), (287, 224564), (434, 148502), (574, 112282), (868, 74251), (1148, 56141), (1271, 50708), (1811, 35588), (2542, 25354), (3622, 17794), (5084, 12677), (7244, 8897)]