128913330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47221}}^1$

素因数の和:47251

約数の個数: 64

約数和(自身を含む): 380798208

約数和(自身を除く): 251884878

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 47221, 94442, 141663, 236105, 283326, 330547, 472210, 613873, 661094, 708315, 991641, 1227746, 1416630, 1652735, 1841619, 1983282, 3069365, 3305470, 3683238, 4297111, 4958205, 6138730, 8594222, 9208095, 9916410, 12891333, 18416190, 21485555, 25782666, 42971110, 64456665, 128913330]

約数ペア:

[(1, 128913330), (2, 64456665), (3, 42971110), (5, 25782666), (6, 21485555), (7, 18416190), (10, 12891333), (13, 9916410), (14, 9208095), (15, 8594222), (21, 6138730), (26, 4958205), (30, 4297111), (35, 3683238), (39, 3305470), (42, 3069365), (65, 1983282), (70, 1841619), (78, 1652735), (91, 1416630), (105, 1227746), (130, 991641), (182, 708315), (195, 661094), (210, 613873), (273, 472210), (390, 330547), (455, 283326), (546, 236105), (910, 141663), (1365, 94442), (2730, 47221)]