488587775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 687122688

約数和(自身を除く): 198534913

約数列:

[1, 5, 13, 25, 37, 41, 65, 185, 205, 325, 481, 533, 925, 991, 1025, 1517, 2405, 2665, 4955, 7585, 12025, 12883, 13325, 19721, 24775, 36667, 37925, 40631, 64415, 98605, 183335, 203155, 322075, 476671, 493025, 528203, 916675, 1015775, 1503347, 2383355, 2641015, 7516735, 11916775, 13205075, 19543511, 37583675, 97717555, 488587775]

約数ペア:

[(1, 488587775), (5, 97717555), (13, 37583675), (25, 19543511), (37, 13205075), (41, 11916775), (65, 7516735), (185, 2641015), (205, 2383355), (325, 1503347), (481, 1015775), (533, 916675), (925, 528203), (991, 493025), (1025, 476671), (1517, 322075), (2405, 203155), (2665, 183335), (4955, 98605), (7585, 64415), (12025, 40631), (12883, 37925), (13325, 36667), (19721, 24775)]