68249380225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{6791}}^1$

素因数の和:6955

約数の個数: 72

約数和(自身を含む): 97734869568

約数和(自身を除く): 29485489343

約数列:

[1, 5, 13, 17, 25, 65, 85, 107, 221, 289, 325, 425, 535, 1105, 1391, 1445, 1819, 2675, 3757, 5525, 6791, 6955, 7225, 9095, 18785, 23647, 30923, 33955, 34775, 45475, 88283, 93925, 115447, 118235, 154615, 169775, 401999, 441415, 577235, 591175, 726637, 773075, 1500811, 1962599, 2009995, 2207075, 2886175, 3633185, 7504055, 9446281, 9812995, 10049975, 12352829, 18165925, 25513787, 37520275, 47231405, 49064975, 61764145, 127568935, 160586777, 209998093, 236157025, 308820725, 637844675, 802933885, 1049990465, 2729975209, 4014669425, 5249952325, 13649876045, 68249380225]

約数ペア:

[(1, 68249380225), (5, 13649876045), (13, 5249952325), (17, 4014669425), (25, 2729975209), (65, 1049990465), (85, 802933885), (107, 637844675), (221, 308820725), (289, 236157025), (325, 209998093), (425, 160586777), (535, 127568935), (1105, 61764145), (1391, 49064975), (1445, 47231405), (1819, 37520275), (2675, 25513787), (3757, 18165925), (5525, 12352829), (6791, 10049975), (6955, 9812995), (7225, 9446281), (9095, 7504055), (18785, 3633185), (23647, 2886175), (30923, 2207075), (33955, 2009995), (34775, 1962599), (45475, 1500811), (88283, 773075), (93925, 726637), (115447, 591175), (118235, 577235), (154615, 441415), (169775, 401999)]