645025902625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{138451}}^1$

素因数の和:138587

約数の個数: 64

約数和(自身を含む): 899880403968

約数和(自身を除く): 254854501343

約数列:

[1, 5, 13, 25, 47, 61, 65, 125, 235, 305, 325, 611, 793, 1175, 1525, 1625, 2867, 3055, 3965, 5875, 7625, 14335, 15275, 19825, 37271, 71675, 76375, 99125, 138451, 186355, 358375, 692255, 931775, 1799863, 3461275, 4658875, 6507197, 8445511, 8999315, 17306375, 32535985, 42227555, 44996575, 84593561, 109791643, 162679925, 211137775, 224982875, 396939017, 422967805, 548958215, 813399625, 1055688875, 1984695085, 2114839025, 2744791075, 5160207221, 9923475425, 10574195125, 13723955375, 25801036105, 49617377125, 129005180525, 645025902625]

約数ペア:

[(1, 645025902625), (5, 129005180525), (13, 49617377125), (25, 25801036105), (47, 13723955375), (61, 10574195125), (65, 9923475425), (125, 5160207221), (235, 2744791075), (305, 2114839025), (325, 1984695085), (611, 1055688875), (793, 813399625), (1175, 548958215), (1525, 422967805), (1625, 396939017), (2867, 224982875), (3055, 211137775), (3965, 162679925), (5875, 109791643), (7625, 84593561), (14335, 44996575), (15275, 42227555), (19825, 32535985), (37271, 17306375), (71675, 8999315), (76375, 8445511), (99125, 6507197), (138451, 4658875), (186355, 3461275), (358375, 1799863), (692255, 931775)]