51263615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 73082880

約数和(自身を除く): 21819265

約数列:

[1, 5, 13, 19, 31, 65, 95, 103, 155, 169, 247, 403, 515, 589, 845, 1235, 1339, 1957, 2015, 2945, 3193, 3211, 5239, 6695, 7657, 9785, 15965, 16055, 17407, 25441, 26195, 38285, 41509, 60667, 87035, 99541, 127205, 207545, 303335, 330733, 497705, 539617, 788671, 1653665, 2698085, 3943355, 10252723, 51263615]

約数ペア:

[(1, 51263615), (5, 10252723), (13, 3943355), (19, 2698085), (31, 1653665), (65, 788671), (95, 539617), (103, 497705), (155, 330733), (169, 303335), (247, 207545), (403, 127205), (515, 99541), (589, 87035), (845, 60667), (1235, 41509), (1339, 38285), (1957, 26195), (2015, 25441), (2945, 17407), (3193, 16055), (3211, 15965), (5239, 9785), (6695, 7657)]