212101175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 313313280

約数和(自身を除く): 101212105

約数列:

[1, 5, 11, 13, 25, 55, 65, 79, 143, 275, 325, 395, 715, 751, 869, 1027, 1975, 3575, 3755, 4345, 5135, 8261, 9763, 11297, 18775, 21725, 25675, 41305, 48815, 56485, 59329, 107393, 206525, 244075, 282425, 296645, 536965, 652619, 771277, 1483225, 2684825, 3263095, 3856385, 8484047, 16315475, 19281925, 42420235, 212101175]

約数ペア:

[(1, 212101175), (5, 42420235), (11, 19281925), (13, 16315475), (25, 8484047), (55, 3856385), (65, 3263095), (79, 2684825), (143, 1483225), (275, 771277), (325, 652619), (395, 536965), (715, 296645), (751, 282425), (869, 244075), (1027, 206525), (1975, 107393), (3575, 59329), (3755, 56485), (4345, 48815), (5135, 41305), (8261, 25675), (9763, 21725), (11297, 18775)]