638562204

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{93851}}^1$

素因数の和:93877

約数の個数: 72

約数和(自身を含む): 1913079168

約数和(自身を除く): 1274516964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 93851, 187702, 281553, 375404, 563106, 656957, 844659, 1126212, 1313914, 1689318, 1970871, 2533977, 2627828, 3378636, 3941742, 5067954, 5912613, 7601931, 7883484, 10135908, 11825226, 15203862, 17737839, 22805793, 23650452, 30407724, 35475678, 45611586, 53213517, 70951356, 91223172, 106427034, 159640551, 212854068, 319281102, 638562204]

約数ペア:

[(1, 638562204), (2, 319281102), (3, 212854068), (4, 159640551), (6, 106427034), (7, 91223172), (9, 70951356), (12, 53213517), (14, 45611586), (18, 35475678), (21, 30407724), (27, 23650452), (28, 22805793), (36, 17737839), (42, 15203862), (54, 11825226), (63, 10135908), (81, 7883484), (84, 7601931), (108, 5912613), (126, 5067954), (162, 3941742), (189, 3378636), (243, 2627828), (252, 2533977), (324, 1970871), (378, 1689318), (486, 1313914), (567, 1126212), (756, 844659), (972, 656957), (1134, 563106), (1701, 375404), (2268, 281553), (3402, 187702), (6804, 93851)]