79398865

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 121059792

約数和(自身を除く): 41660927

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 97, 245, 257, 455, 485, 637, 679, 1261, 1285, 1799, 3185, 3341, 3395, 4753, 6305, 8827, 8995, 12593, 16705, 23387, 23765, 24929, 44135, 61789, 62965, 116935, 124645, 163709, 174503, 308945, 324077, 818545, 872515, 1221521, 1620385, 2268539, 6107605, 11342695, 15879773, 79398865]

約数ペア:

[(1, 79398865), (5, 15879773), (7, 11342695), (13, 6107605), (35, 2268539), (49, 1620385), (65, 1221521), (91, 872515), (97, 818545), (245, 324077), (257, 308945), (455, 174503), (485, 163709), (637, 124645), (679, 116935), (1261, 62965), (1285, 61789), (1799, 44135), (3185, 24929), (3341, 23765), (3395, 23387), (4753, 16705), (6305, 12593), (8827, 8995)]