259431808

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{65381}}^1$

素因数の和:65426

約数の個数: 32

約数和(自身を含む): 533517120

約数和(自身を除く): 274085312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 65381, 130762, 261524, 523048, 1046096, 2026811, 2092192, 4053622, 4184384, 8107244, 8368768, 16214488, 32428976, 64857952, 129715904, 259431808]

約数ペア:

[(1, 259431808), (2, 129715904), (4, 64857952), (8, 32428976), (16, 16214488), (31, 8368768), (32, 8107244), (62, 4184384), (64, 4053622), (124, 2092192), (128, 2026811), (248, 1046096), (496, 523048), (992, 261524), (1984, 130762), (3968, 65381)]