129815714

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3678

約数の個数: 32

約数和(自身を含む): 236006400

約数和(自身を除く): 106190686

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 3511, 5282, 7022, 18487, 24577, 36974, 49154, 66709, 133418, 466963, 488029, 933926, 976058, 3416203, 6832406, 9272551, 18545102, 64907857, 129815714]

約数ペア:

[(1, 129815714), (2, 64907857), (7, 18545102), (14, 9272551), (19, 6832406), (38, 3416203), (133, 976058), (139, 933926), (266, 488029), (278, 466963), (973, 133418), (1946, 66709), (2641, 49154), (3511, 36974), (5282, 24577), (7022, 18487)]