28408802905

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1801}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 40920219648

約数和(自身を除く): 12511416743

約数列:

[1, 5, 7, 35, 43, 47, 215, 223, 235, 301, 329, 1115, 1505, 1561, 1645, 1801, 2021, 7805, 9005, 9589, 10105, 10481, 12607, 14147, 47945, 52405, 63035, 67123, 70735, 73367, 77443, 84647, 335615, 366835, 387215, 401623, 423235, 450683, 542101, 592529, 2008115, 2253415, 2710505, 2811361, 2962645, 3154781, 3639821, 14056805, 15773905, 17269789, 18199105, 18876281, 25478747, 86348945, 94381405, 120888523, 127393735, 132133967, 604442615, 660669835, 811680083, 4058400415, 5681760581, 28408802905]

約数ペア:

[(1, 28408802905), (5, 5681760581), (7, 4058400415), (35, 811680083), (43, 660669835), (47, 604442615), (215, 132133967), (223, 127393735), (235, 120888523), (301, 94381405), (329, 86348945), (1115, 25478747), (1505, 18876281), (1561, 18199105), (1645, 17269789), (1801, 15773905), (2021, 14056805), (7805, 3639821), (9005, 3154781), (9589, 2962645), (10105, 2811361), (10481, 2710505), (12607, 2253415), (14147, 2008115), (47945, 592529), (52405, 542101), (63035, 450683), (67123, 423235), (70735, 401623), (73367, 387215), (77443, 366835), (84647, 335615)]