2013806815

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 2508408000

約数和(自身を除く): 494601185

約数列:

[1, 5, 53, 97, 157, 265, 485, 499, 785, 2495, 5141, 8321, 15229, 25705, 26447, 41605, 48403, 76145, 78343, 132235, 242015, 391715, 807137, 2565359, 4035685, 4152179, 7599271, 12826795, 20760895, 37996355, 402761363, 2013806815]

約数ペア:

[(1, 2013806815), (5, 402761363), (53, 37996355), (97, 20760895), (157, 12826795), (265, 7599271), (485, 4152179), (499, 4035685), (785, 2565359), (2495, 807137), (5141, 391715), (8321, 242015), (15229, 132235), (25705, 78343), (26447, 76145), (41605, 48403)]