161406518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 314616960

約数和(自身を除く): 153210442

約数列:

[1, 2, 7, 13, 14, 26, 29, 53, 58, 91, 106, 182, 203, 371, 377, 406, 577, 689, 742, 754, 1154, 1378, 1537, 2639, 3074, 4039, 4823, 5278, 7501, 8078, 9646, 10759, 15002, 16733, 19981, 21518, 30581, 33466, 39962, 52507, 61162, 105014, 117131, 139867, 214067, 217529, 234262, 279734, 397553, 428134, 435058, 795106, 886849, 1522703, 1773698, 2782871, 3045406, 5565742, 6207943, 11529037, 12415886, 23058074, 80703259, 161406518]

約数ペア:

[(1, 161406518), (2, 80703259), (7, 23058074), (13, 12415886), (14, 11529037), (26, 6207943), (29, 5565742), (53, 3045406), (58, 2782871), (91, 1773698), (106, 1522703), (182, 886849), (203, 795106), (371, 435058), (377, 428134), (406, 397553), (577, 279734), (689, 234262), (742, 217529), (754, 214067), (1154, 139867), (1378, 117131), (1537, 105014), (2639, 61162), (3074, 52507), (4039, 39962), (4823, 33466), (5278, 30581), (7501, 21518), (8078, 19981), (9646, 16733), (10759, 15002)]