181020284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 350945280

約数和(自身を除く): 169924996

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 79, 124, 158, 316, 527, 1054, 1087, 1343, 2108, 2174, 2449, 2686, 4348, 4898, 5372, 9796, 18479, 33697, 36958, 41633, 67394, 73916, 83266, 85873, 134788, 166532, 171746, 343492, 572849, 1145698, 1459841, 2291396, 2662063, 2919682, 5324126, 5839364, 10648252, 45255071, 90510142, 181020284]

約数ペア:

[(1, 181020284), (2, 90510142), (4, 45255071), (17, 10648252), (31, 5839364), (34, 5324126), (62, 2919682), (68, 2662063), (79, 2291396), (124, 1459841), (158, 1145698), (316, 572849), (527, 343492), (1054, 171746), (1087, 166532), (1343, 134788), (2108, 85873), (2174, 83266), (2449, 73916), (2686, 67394), (4348, 41633), (4898, 36958), (5372, 33697), (9796, 18479)]