65665145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 100835280

約数和(自身を除く): 35170135

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 245, 265, 371, 389, 455, 637, 689, 1855, 1945, 2597, 2723, 3185, 3445, 4823, 5057, 12985, 13615, 19061, 20617, 24115, 25285, 33761, 35399, 95305, 103085, 144319, 168805, 176995, 247793, 268021, 721595, 1010233, 1238965, 1340105, 1876147, 5051165, 9380735, 13133029, 65665145]

約数ペア:

[(1, 65665145), (5, 13133029), (7, 9380735), (13, 5051165), (35, 1876147), (49, 1340105), (53, 1238965), (65, 1010233), (91, 721595), (245, 268021), (265, 247793), (371, 176995), (389, 168805), (455, 144319), (637, 103085), (689, 95305), (1855, 35399), (1945, 33761), (2597, 25285), (2723, 24115), (3185, 20617), (3445, 19061), (4823, 13615), (5057, 12985)]