77128558

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 137241216

約数和(自身を除く): 60112658

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 169, 221, 338, 403, 433, 442, 527, 806, 866, 1054, 2873, 5239, 5629, 5746, 6851, 7361, 10478, 11258, 13423, 13702, 14722, 26846, 73177, 89063, 95693, 146354, 174499, 178126, 191386, 228191, 348998, 456382, 1244009, 2268487, 2488018, 2966483, 4536974, 5932966, 38564279, 77128558]

約数ペア:

[(1, 77128558), (2, 38564279), (13, 5932966), (17, 4536974), (26, 2966483), (31, 2488018), (34, 2268487), (62, 1244009), (169, 456382), (221, 348998), (338, 228191), (403, 191386), (433, 178126), (442, 174499), (527, 146354), (806, 95693), (866, 89063), (1054, 73177), (2873, 26846), (5239, 14722), (5629, 13702), (5746, 13423), (6851, 11258), (7361, 10478)]