81013492

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{773}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 171642240

約数和(自身を除く): 90628748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 197, 266, 394, 532, 773, 788, 1379, 1546, 2758, 3092, 3743, 5411, 5516, 7486, 10822, 14687, 14972, 21644, 26201, 29374, 52402, 58748, 102809, 104804, 152281, 205618, 304562, 411236, 609124, 1065967, 2131934, 2893339, 4263868, 5786678, 11573356, 20253373, 40506746, 81013492]

約数ペア:

[(1, 81013492), (2, 40506746), (4, 20253373), (7, 11573356), (14, 5786678), (19, 4263868), (28, 2893339), (38, 2131934), (76, 1065967), (133, 609124), (197, 411236), (266, 304562), (394, 205618), (532, 152281), (773, 104804), (788, 102809), (1379, 58748), (1546, 52402), (2758, 29374), (3092, 26201), (3743, 21644), (5411, 14972), (5516, 14687), (7486, 10822)]