40177438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1153}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 73117440

約数和(自身を除く): 32940002

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1153, 1834, 2306, 2489, 4978, 8071, 16142, 17423, 21907, 34846, 43814, 151043, 153349, 302086, 306698, 1057301, 2114602, 2869817, 5739634, 20088719, 40177438]

約数ペア:

[(1, 40177438), (2, 20088719), (7, 5739634), (14, 2869817), (19, 2114602), (38, 1057301), (131, 306698), (133, 302086), (262, 153349), (266, 151043), (917, 43814), (1153, 34846), (1834, 21907), (2306, 17423), (2489, 16142), (4978, 8071)]