7408225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 10554880

約数和(自身を除く): 3146655

約数列:

[1, 5, 11, 25, 31, 55, 79, 121, 155, 275, 341, 395, 605, 775, 869, 1705, 1975, 2449, 3025, 3751, 4345, 8525, 9559, 12245, 18755, 21725, 26939, 47795, 61225, 93775, 134695, 238975, 296329, 673475, 1481645, 7408225]

約数ペア:

[(1, 7408225), (5, 1481645), (11, 673475), (25, 296329), (31, 238975), (55, 134695), (79, 93775), (121, 61225), (155, 47795), (275, 26939), (341, 21725), (395, 18755), (605, 12245), (775, 9559), (869, 8525), (1705, 4345), (1975, 3751), (2449, 3025)]