87213204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{563}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 238553952

約数和(自身を除く): 151340748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 468, 563, 662, 993, 1126, 1324, 1689, 1986, 2252, 2979, 3378, 3972, 4303, 5067, 5958, 6756, 7319, 8606, 10134, 11916, 12909, 14638, 17212, 20268, 21957, 25818, 29276, 38727, 43914, 51636, 65871, 77454, 87828, 131742, 154908, 186353, 263484, 372706, 559059, 745412, 1118118, 1677177, 2236236, 2422589, 3354354, 4845178, 6708708, 7267767, 9690356, 14535534, 21803301, 29071068, 43606602, 87213204]

約数ペア:

[(1, 87213204), (2, 43606602), (3, 29071068), (4, 21803301), (6, 14535534), (9, 9690356), (12, 7267767), (13, 6708708), (18, 4845178), (26, 3354354), (36, 2422589), (39, 2236236), (52, 1677177), (78, 1118118), (117, 745412), (156, 559059), (234, 372706), (331, 263484), (468, 186353), (563, 154908), (662, 131742), (993, 87828), (1126, 77454), (1324, 65871), (1689, 51636), (1986, 43914), (2252, 38727), (2979, 29276), (3378, 25818), (3972, 21957), (4303, 20268), (5067, 17212), (5958, 14638), (6756, 12909), (7319, 11916), (8606, 10134)]