77489825

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:163

約数の個数: 54

約数和(自身を含む): 120322098

約数和(自身を除く): 42832273

約数列:

[1, 5, 7, 17, 25, 35, 49, 61, 85, 119, 175, 245, 305, 425, 427, 595, 833, 1037, 1225, 1525, 2135, 2975, 2989, 3721, 4165, 5185, 7259, 10675, 14945, 18605, 20825, 25925, 26047, 36295, 50813, 63257, 74725, 93025, 130235, 181475, 182329, 254065, 316285, 442799, 651175, 911645, 1270325, 1581425, 2213995, 3099593, 4558225, 11069975, 15497965, 77489825]

約数ペア:

[(1, 77489825), (5, 15497965), (7, 11069975), (17, 4558225), (25, 3099593), (35, 2213995), (49, 1581425), (61, 1270325), (85, 911645), (119, 651175), (175, 442799), (245, 316285), (305, 254065), (425, 182329), (427, 181475), (595, 130235), (833, 93025), (1037, 74725), (1225, 63257), (1525, 50813), (2135, 36295), (2975, 26047), (2989, 25925), (3721, 20825), (4165, 18605), (5185, 14945), (7259, 10675)]