84821585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 115188480

約数和(自身を除く): 30366895

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1009, 1955, 3655, 4945, 5045, 16813, 17153, 23207, 43387, 84065, 85765, 116035, 216935, 394519, 737579, 997901, 1972595, 3687895, 4989505, 16964317, 84821585]

約数ペア:

[(1, 84821585), (5, 16964317), (17, 4989505), (23, 3687895), (43, 1972595), (85, 997901), (115, 737579), (215, 394519), (391, 216935), (731, 116035), (989, 85765), (1009, 84065), (1955, 43387), (3655, 23207), (4945, 17153), (5045, 16813)]