388618538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 779673600

約数和(自身を除く): 391055062

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 79, 119, 154, 158, 187, 238, 374, 553, 869, 1106, 1309, 1343, 1738, 1879, 2618, 2686, 3758, 6083, 9401, 12166, 13153, 14773, 18802, 20669, 26306, 29546, 31943, 41338, 63886, 103411, 144683, 148441, 206822, 223601, 289366, 296882, 351373, 447202, 702746, 1039087, 1632851, 2078174, 2459611, 2523497, 3265702, 4919222, 5046994, 11429957, 17664479, 22859914, 27758467, 35328958, 55516934, 194309269, 388618538]

約数ペア:

[(1, 388618538), (2, 194309269), (7, 55516934), (11, 35328958), (14, 27758467), (17, 22859914), (22, 17664479), (34, 11429957), (77, 5046994), (79, 4919222), (119, 3265702), (154, 2523497), (158, 2459611), (187, 2078174), (238, 1632851), (374, 1039087), (553, 702746), (869, 447202), (1106, 351373), (1309, 296882), (1343, 289366), (1738, 223601), (1879, 206822), (2618, 148441), (2686, 144683), (3758, 103411), (6083, 63886), (9401, 41338), (12166, 31943), (13153, 29546), (14773, 26306), (18802, 20669)]