28184472290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1\times {\mathrm{5309}}^1$

素因数の和:5847

約数の個数: 64

約数和(自身を含む): 55339290720

約数和(自身を除く): 27154818430

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 421, 485, 842, 970, 1261, 2105, 2522, 4210, 5309, 5473, 6305, 10618, 10946, 12610, 26545, 27365, 40837, 53090, 54730, 69017, 81674, 138034, 204185, 345085, 408370, 514973, 530881, 690170, 1029946, 1061762, 2235089, 2574865, 2654405, 4470178, 5149730, 5308810, 6694649, 11175445, 13389298, 22350890, 29056157, 33473245, 58112314, 66946490, 145280785, 216803633, 290561570, 433607266, 1084018165, 2168036330, 2818447229, 5636894458, 14092236145, 28184472290]

約数ペア:

[(1, 28184472290), (2, 14092236145), (5, 5636894458), (10, 2818447229), (13, 2168036330), (26, 1084018165), (65, 433607266), (97, 290561570), (130, 216803633), (194, 145280785), (421, 66946490), (485, 58112314), (842, 33473245), (970, 29056157), (1261, 22350890), (2105, 13389298), (2522, 11175445), (4210, 6694649), (5309, 5308810), (5473, 5149730), (6305, 4470178), (10618, 2654405), (10946, 2574865), (12610, 2235089), (26545, 1061762), (27365, 1029946), (40837, 690170), (53090, 530881), (54730, 514973), (69017, 408370), (81674, 345085), (138034, 204185)]