4920471998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 8234956800

約数和(自身を除く): 3314484802

約数列:

[1, 2, 13, 26, 73, 127, 137, 146, 149, 254, 274, 298, 949, 1651, 1781, 1898, 1937, 3302, 3562, 3874, 9271, 10001, 10877, 17399, 18542, 18923, 20002, 20413, 21754, 34798, 37846, 40826, 120523, 130013, 141401, 226187, 241046, 245999, 260026, 265369, 282802, 452374, 491998, 530738, 1270127, 1381379, 1490149, 2540254, 2592451, 2762758, 2980298, 5184902, 16511651, 17957927, 19371937, 33023302, 33701863, 35915854, 38743874, 67403726, 189248923, 378497846, 2460235999, 4920471998]

約数ペア:

[(1, 4920471998), (2, 2460235999), (13, 378497846), (26, 189248923), (73, 67403726), (127, 38743874), (137, 35915854), (146, 33701863), (149, 33023302), (254, 19371937), (274, 17957927), (298, 16511651), (949, 5184902), (1651, 2980298), (1781, 2762758), (1898, 2592451), (1937, 2540254), (3302, 1490149), (3562, 1381379), (3874, 1270127), (9271, 530738), (10001, 491998), (10877, 452374), (17399, 282802), (18542, 265369), (18923, 260026), (20002, 245999), (20413, 241046), (21754, 226187), (34798, 141401), (37846, 130013), (40826, 120523)]