636686897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11597}}^1$

素因数の和:11669

約数の個数: 32

約数和(自身を含む): 855097344

約数和(自身を除く): 218410447

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 713, 1771, 2387, 4991, 7843, 11597, 54901, 81179, 127567, 266731, 359507, 892969, 1867117, 2516549, 2934041, 3954577, 8268661, 20538287, 27682039, 57880627, 90955271, 636686897]

約数ペア:

[(1, 636686897), (7, 90955271), (11, 57880627), (23, 27682039), (31, 20538287), (77, 8268661), (161, 3954577), (217, 2934041), (253, 2516549), (341, 1867117), (713, 892969), (1771, 359507), (2387, 266731), (4991, 127567), (7843, 81179), (11597, 54901)]