2019620915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 2821754880

約数和(自身を除く): 802133965

約数列:

[1, 5, 13, 23, 53, 65, 71, 115, 265, 299, 355, 359, 689, 923, 1219, 1495, 1633, 1795, 3445, 3763, 4615, 4667, 6095, 8165, 8257, 15847, 18815, 19027, 21229, 23335, 25489, 41285, 48919, 79235, 86549, 95135, 106145, 107341, 127445, 244595, 247351, 331357, 432745, 437621, 536705, 586247, 1125137, 1236755, 1350917, 1656785, 2188105, 2931235, 5625685, 5689073, 6754585, 7621211, 17561921, 28445365, 31071091, 38106055, 87809605, 155355455, 403924183, 2019620915]

約数ペア:

[(1, 2019620915), (5, 403924183), (13, 155355455), (23, 87809605), (53, 38106055), (65, 31071091), (71, 28445365), (115, 17561921), (265, 7621211), (299, 6754585), (355, 5689073), (359, 5625685), (689, 2931235), (923, 2188105), (1219, 1656785), (1495, 1350917), (1633, 1236755), (1795, 1125137), (3445, 586247), (3763, 536705), (4615, 437621), (4667, 432745), (6095, 331357), (8165, 247351), (8257, 244595), (15847, 127445), (18815, 107341), (19027, 106145), (21229, 95135), (23335, 86549), (25489, 79235), (41285, 48919)]