81203018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 137676672

約数和(自身を除く): 56473654

約数列:

[1, 2, 13, 23, 26, 46, 251, 299, 502, 541, 598, 1082, 3263, 5773, 6526, 7033, 11546, 12443, 14066, 24886, 75049, 135791, 150098, 161759, 271582, 323518, 1765283, 3123193, 3530566, 6246386, 40601509, 81203018]

約数ペア:

[(1, 81203018), (2, 40601509), (13, 6246386), (23, 3530566), (26, 3123193), (46, 1765283), (251, 323518), (299, 271582), (502, 161759), (541, 150098), (598, 135791), (1082, 75049), (3263, 24886), (5773, 14066), (6526, 12443), (7033, 11546)]