81185754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 180488448

約数和(自身を除く): 99302694

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 113, 122, 151, 183, 226, 302, 339, 366, 453, 678, 793, 906, 1469, 1586, 1963, 2379, 2938, 3926, 4407, 4758, 5889, 6893, 8814, 9211, 11778, 13786, 17063, 18422, 20679, 27633, 34126, 41358, 51189, 55266, 89609, 102378, 119743, 179218, 221819, 239486, 268827, 359229, 443638, 537654, 665457, 718458, 1040843, 1330914, 2081686, 3122529, 6245058, 13530959, 27061918, 40592877, 81185754]

約数ペア:

[(1, 81185754), (2, 40592877), (3, 27061918), (6, 13530959), (13, 6245058), (26, 3122529), (39, 2081686), (61, 1330914), (78, 1040843), (113, 718458), (122, 665457), (151, 537654), (183, 443638), (226, 359229), (302, 268827), (339, 239486), (366, 221819), (453, 179218), (678, 119743), (793, 102378), (906, 89609), (1469, 55266), (1586, 51189), (1963, 41358), (2379, 34126), (2938, 27633), (3926, 20679), (4407, 18422), (4758, 17063), (5889, 13786), (6893, 11778), (8814, 9211)]