1405256128

素因数分解:

$2^6\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{547}}^1$

素因数の和:989

約数の個数: 56

約数和(自身を含む): 2823648912

約数和(自身を除く): 1418392784

約数列:

[1, 2, 4, 8, 16, 32, 64, 137, 274, 293, 547, 548, 586, 1094, 1096, 1172, 2188, 2192, 2344, 4376, 4384, 4688, 8752, 8768, 9376, 17504, 18752, 35008, 40141, 74939, 80282, 149878, 160271, 160564, 299756, 320542, 321128, 599512, 641084, 642256, 1199024, 1282168, 1284512, 2398048, 2564336, 2569024, 4796096, 5128672, 10257344, 21957127, 43914254, 87828508, 175657016, 351314032, 702628064, 1405256128]

約数ペア:

[(1, 1405256128), (2, 702628064), (4, 351314032), (8, 175657016), (16, 87828508), (32, 43914254), (64, 21957127), (137, 10257344), (274, 5128672), (293, 4796096), (547, 2569024), (548, 2564336), (586, 2398048), (1094, 1284512), (1096, 1282168), (1172, 1199024), (2188, 642256), (2192, 641084), (2344, 599512), (4376, 321128), (4384, 320542), (4688, 299756), (8752, 160564), (8768, 160271), (9376, 149878), (17504, 80282), (18752, 74939), (35008, 40141)]