178974016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2531

約数の個数: 56

約数和(自身を含む): 386928360

約数和(自身を除く): 207954344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 356, 416, 712, 832, 1157, 1424, 2314, 2417, 2848, 4628, 4834, 5696, 9256, 9668, 18512, 19336, 31421, 37024, 38672, 62842, 74048, 77344, 125684, 154688, 215113, 251368, 430226, 502736, 860452, 1005472, 1720904, 2010944, 2796469, 3441808, 5592938, 6883616, 11185876, 13767232, 22371752, 44743504, 89487008, 178974016]

約数ペア:

[(1, 178974016), (2, 89487008), (4, 44743504), (8, 22371752), (13, 13767232), (16, 11185876), (26, 6883616), (32, 5592938), (52, 3441808), (64, 2796469), (89, 2010944), (104, 1720904), (178, 1005472), (208, 860452), (356, 502736), (416, 430226), (712, 251368), (832, 215113), (1157, 154688), (1424, 125684), (2314, 77344), (2417, 74048), (2848, 62842), (4628, 38672), (4834, 37024), (5696, 31421), (9256, 19336), (9668, 18512)]