645533252

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{253349}}^1$

素因数の和:253380

約数の個数: 36

約数和(自身を含む): 1415213100

約数和(自身を除く): 769679848

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 253349, 506698, 1013396, 1773443, 3293537, 3546886, 6587074, 7093772, 12414101, 13174148, 23054759, 24828202, 46109518, 49656404, 92219036, 161383313, 322766626, 645533252]

約数ペア:

[(1, 645533252), (2, 322766626), (4, 161383313), (7, 92219036), (13, 49656404), (14, 46109518), (26, 24828202), (28, 23054759), (49, 13174148), (52, 12414101), (91, 7093772), (98, 6587074), (182, 3546886), (196, 3293537), (364, 1773443), (637, 1013396), (1274, 506698), (2548, 253349)]