1640208516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{45821}}^1$

素因数の和:46004

約数の個数: 48

約数和(自身を含む): 4054330560

約数和(自身を除く): 2414122044

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 471, 628, 942, 1884, 2983, 5966, 8949, 11932, 17898, 35796, 45821, 91642, 137463, 183284, 274926, 549852, 870599, 1741198, 2611797, 3482396, 5223594, 7193897, 10447188, 14387794, 21581691, 28775588, 43163382, 86326764, 136684043, 273368086, 410052129, 546736172, 820104258, 1640208516]

約数ペア:

[(1, 1640208516), (2, 820104258), (3, 546736172), (4, 410052129), (6, 273368086), (12, 136684043), (19, 86326764), (38, 43163382), (57, 28775588), (76, 21581691), (114, 14387794), (157, 10447188), (228, 7193897), (314, 5223594), (471, 3482396), (628, 2611797), (942, 1741198), (1884, 870599), (2983, 549852), (5966, 274926), (8949, 183284), (11932, 137463), (17898, 91642), (35796, 45821)]