28875875

素因数分解:

$5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 41937792

約数和(自身を除く): 13061917

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 305, 427, 541, 875, 1525, 2135, 2705, 3787, 7625, 10675, 13525, 18935, 33001, 53375, 67625, 94675, 165005, 231007, 473375, 825025, 1155035, 4125125, 5775175, 28875875]

約数ペア:

[(1, 28875875), (5, 5775175), (7, 4125125), (25, 1155035), (35, 825025), (61, 473375), (125, 231007), (175, 165005), (305, 94675), (427, 67625), (541, 53375), (875, 33001), (1525, 18935), (2135, 13525), (2705, 10675), (3787, 7625)]