281052142

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{21563}}^1$

素因数の和:21605

約数の個数: 32

約数和(自身を含む): 517536000

約数和(自身を除く): 236483858

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1862, 6517, 13034, 21563, 43126, 150941, 301882, 409697, 819394, 1056587, 2113174, 2867879, 5735758, 7396109, 14792218, 20075153, 40150306, 140526071, 281052142]

約数ペア:

[(1, 281052142), (2, 140526071), (7, 40150306), (14, 20075153), (19, 14792218), (38, 7396109), (49, 5735758), (98, 2867879), (133, 2113174), (266, 1056587), (343, 819394), (686, 409697), (931, 301882), (1862, 150941), (6517, 43126), (13034, 21563)]