91029988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 193177600

約数和(自身を除く): 102147612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 532, 556, 973, 1231, 1946, 2462, 2641, 3892, 4924, 5282, 8617, 10564, 17234, 18487, 23389, 34468, 36974, 46778, 73948, 93556, 163723, 171109, 327446, 342218, 654892, 684436, 1197763, 2395526, 3251071, 4791052, 6502142, 13004284, 22757497, 45514994, 91029988]

約数ペア:

[(1, 91029988), (2, 45514994), (4, 22757497), (7, 13004284), (14, 6502142), (19, 4791052), (28, 3251071), (38, 2395526), (76, 1197763), (133, 684436), (139, 654892), (266, 342218), (278, 327446), (532, 171109), (556, 163723), (973, 93556), (1231, 73948), (1946, 46778), (2462, 36974), (2641, 34468), (3892, 23389), (4924, 18487), (5282, 17234), (8617, 10564)]