81838078

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 146331648

約数和(自身を除く): 64493570

約数列:

[1, 2, 7, 14, 31, 62, 101, 202, 217, 434, 707, 1414, 1867, 3131, 3734, 6262, 13069, 21917, 26138, 43834, 57877, 115754, 188567, 377134, 405139, 810278, 1319969, 2639938, 5845577, 11691154, 40919039, 81838078]

約数ペア:

[(1, 81838078), (2, 40919039), (7, 11691154), (14, 5845577), (31, 2639938), (62, 1319969), (101, 810278), (202, 405139), (217, 377134), (434, 188567), (707, 115754), (1414, 57877), (1867, 43834), (3131, 26138), (3734, 21917), (6262, 13069)]