2017819821875

素因数分解:

$5^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{410491}}^1$

素因数の和:410551

約数の個数: 72

約数和(自身を含む): 2985496822224

約数和(自身を除く): 967677000349

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 125, 143, 275, 325, 605, 625, 715, 1375, 1573, 1625, 3025, 3125, 3575, 6875, 7865, 8125, 15125, 17875, 34375, 39325, 40625, 75625, 89375, 196625, 378125, 410491, 446875, 983125, 2052455, 4515401, 4915625, 5336383, 10262275, 22577005, 26681915, 49669411, 51311375, 58700213, 112885025, 133409575, 248347055, 256556875, 293501065, 564425125, 645702343, 667047875, 1241735275, 1282784375, 1467505325, 2822125625, 3228511715, 3335239375, 6208676375, 7337526625, 14110628125, 16142558575, 16676196875, 31043381875, 36687633125, 80712792875, 155216909375, 183438165625, 403563964375, 2017819821875]

約数ペア:

[(1, 2017819821875), (5, 403563964375), (11, 183438165625), (13, 155216909375), (25, 80712792875), (55, 36687633125), (65, 31043381875), (121, 16676196875), (125, 16142558575), (143, 14110628125), (275, 7337526625), (325, 6208676375), (605, 3335239375), (625, 3228511715), (715, 2822125625), (1375, 1467505325), (1573, 1282784375), (1625, 1241735275), (3025, 667047875), (3125, 645702343), (3575, 564425125), (6875, 293501065), (7865, 256556875), (8125, 248347055), (15125, 133409575), (17875, 112885025), (34375, 58700213), (39325, 51311375), (40625, 49669411), (75625, 26681915), (89375, 22577005), (196625, 10262275), (378125, 5336383), (410491, 4915625), (446875, 4515401), (983125, 2052455)]