201399808

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12738

約数の個数: 40

約数和(自身を含む): 415419840

約数和(自身を除く): 214020032

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 12689, 15872, 25378, 50756, 101512, 203024, 393359, 406048, 786718, 812096, 1573436, 1624192, 3146872, 3248384, 6293744, 6496768, 12587488, 25174976, 50349952, 100699904, 201399808]

約数ペア:

[(1, 201399808), (2, 100699904), (4, 50349952), (8, 25174976), (16, 12587488), (31, 6496768), (32, 6293744), (62, 3248384), (64, 3146872), (124, 1624192), (128, 1573436), (248, 812096), (256, 786718), (496, 406048), (512, 393359), (992, 203024), (1984, 101512), (3968, 50756), (7936, 25378), (12689, 15872)]