61643725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 92119104

約数和(自身を除く): 30475379

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 143, 215, 275, 325, 401, 473, 559, 715, 1075, 2005, 2365, 2795, 3575, 4411, 5213, 6149, 10025, 11825, 13975, 17243, 22055, 26065, 30745, 57343, 86215, 110275, 130325, 153725, 189673, 224159, 286715, 431075, 948365, 1120795, 1433575, 2465749, 4741825, 5603975, 12328745, 61643725]

約数ペア:

[(1, 61643725), (5, 12328745), (11, 5603975), (13, 4741825), (25, 2465749), (43, 1433575), (55, 1120795), (65, 948365), (143, 431075), (215, 286715), (275, 224159), (325, 189673), (401, 153725), (473, 130325), (559, 110275), (715, 86215), (1075, 57343), (2005, 30745), (2365, 26065), (2795, 22055), (3575, 17243), (4411, 13975), (5213, 11825), (6149, 10025)]