129310972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{75709}}^1$

素因数の和:75781

約数の個数: 24

約数和(自身を含む): 262865120

約数和(自身を除く): 133554148

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 75709, 151418, 302836, 529963, 1059926, 2119852, 4618249, 9236498, 18472996, 32327743, 64655486, 129310972]

約数ペア:

[(1, 129310972), (2, 64655486), (4, 32327743), (7, 18472996), (14, 9236498), (28, 4618249), (61, 2119852), (122, 1059926), (244, 529963), (427, 302836), (854, 151418), (1708, 75709)]