681569455

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{4447}}^1$

素因数の和:4639

約数の個数: 32

約数和(自身を含む): 973578240

約数和(自身を除く): 292008785

約数列:

[1, 5, 7, 29, 35, 145, 151, 203, 755, 1015, 1057, 4379, 4447, 5285, 21895, 22235, 30653, 31129, 128963, 153265, 155645, 644815, 671497, 902741, 3357485, 4513705, 4700479, 19473413, 23502395, 97367065, 136313891, 681569455]

約数ペア:

[(1, 681569455), (5, 136313891), (7, 97367065), (29, 23502395), (35, 19473413), (145, 4700479), (151, 4513705), (203, 3357485), (755, 902741), (1015, 671497), (1057, 644815), (4379, 155645), (4447, 153265), (5285, 128963), (21895, 31129), (22235, 30653)]