156560425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 234484992

約数和(自身を除く): 77924567

約数列:

[1, 5, 7, 23, 25, 35, 97, 115, 161, 175, 401, 485, 575, 679, 805, 2005, 2231, 2425, 2807, 3395, 4025, 9223, 10025, 11155, 14035, 15617, 16975, 38897, 46115, 55775, 64561, 70175, 78085, 194485, 230575, 272279, 322805, 390425, 894631, 972425, 1361395, 1614025, 4473155, 6262417, 6806975, 22365775, 31312085, 156560425]

約数ペア:

[(1, 156560425), (5, 31312085), (7, 22365775), (23, 6806975), (25, 6262417), (35, 4473155), (97, 1614025), (115, 1361395), (161, 972425), (175, 894631), (401, 390425), (485, 322805), (575, 272279), (679, 230575), (805, 194485), (2005, 78085), (2231, 70175), (2425, 64561), (2807, 55775), (3395, 46115), (4025, 38897), (9223, 16975), (10025, 15617), (11155, 14035)]