15721636994

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1\times {\mathrm{17351}}^1$

素因数の和:18482

約数の個数: 32

約数和(自身を含む): 27420602112

約数和(自身を除く): 11698965118

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1061, 2122, 7427, 14854, 17351, 34702, 64721, 121457, 129442, 242914, 453047, 906094, 1058411, 2116822, 7408877, 14817754, 18409411, 36818822, 128865877, 257731754, 1122974071, 2245948142, 7860818497, 15721636994]

約数ペア:

[(1, 15721636994), (2, 7860818497), (7, 2245948142), (14, 1122974071), (61, 257731754), (122, 128865877), (427, 36818822), (854, 18409411), (1061, 14817754), (2122, 7408877), (7427, 2116822), (14854, 1058411), (17351, 906094), (34702, 453047), (64721, 242914), (121457, 129442)]