8889708490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2205883}}^1$

素因数の和:2205934

約数の個数: 32

約数和(自身を含む): 17788248576

約数和(自身を除く): 8898540086

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 2205883, 4411766, 11029415, 22058830, 28676479, 57352958, 68382373, 136764746, 143382395, 286764790, 341911865, 683823730, 888970849, 1777941698, 4444854245, 8889708490]

約数ペア:

[(1, 8889708490), (2, 4444854245), (5, 1777941698), (10, 888970849), (13, 683823730), (26, 341911865), (31, 286764790), (62, 143382395), (65, 136764746), (130, 68382373), (155, 57352958), (310, 28676479), (403, 22058830), (806, 11029415), (2015, 4411766), (4030, 2205883)]