7221552455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 9870336000

約数和(自身を除く): 2648783545

約数列:

[1, 5, 13, 31, 65, 67, 149, 155, 335, 359, 403, 745, 871, 1795, 1937, 2015, 2077, 4355, 4619, 4667, 9685, 9983, 10385, 11129, 23095, 23335, 24053, 27001, 49915, 53491, 55645, 60047, 120265, 129779, 135005, 144677, 267455, 300235, 309473, 312689, 648895, 695383, 723385, 745643, 1547365, 1563445, 1658221, 3476915, 3583897, 3728215, 4023149, 8291105, 9693359, 17919485, 20115745, 21556873, 46590661, 48466795, 107784365, 111100807, 232953305, 555504035, 1444310491, 7221552455]

約数ペア:

[(1, 7221552455), (5, 1444310491), (13, 555504035), (31, 232953305), (65, 111100807), (67, 107784365), (149, 48466795), (155, 46590661), (335, 21556873), (359, 20115745), (403, 17919485), (745, 9693359), (871, 8291105), (1795, 4023149), (1937, 3728215), (2015, 3583897), (2077, 3476915), (4355, 1658221), (4619, 1563445), (4667, 1547365), (9685, 745643), (9983, 723385), (10385, 695383), (11129, 648895), (23095, 312689), (23335, 309473), (24053, 300235), (27001, 267455), (49915, 144677), (53491, 135005), (55645, 129779), (60047, 120265)]