128425744

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2141}}^1$

素因数の和:2335

約数の個数: 40

約数和(自身を含む): 261358272

約数和(自身を除く): 132932528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 163, 184, 326, 368, 652, 1304, 2141, 2608, 3749, 4282, 7498, 8564, 14996, 17128, 29992, 34256, 49243, 59984, 98486, 196972, 348983, 393944, 697966, 787888, 1395932, 2791864, 5583728, 8026609, 16053218, 32106436, 64212872, 128425744]

約数ペア:

[(1, 128425744), (2, 64212872), (4, 32106436), (8, 16053218), (16, 8026609), (23, 5583728), (46, 2791864), (92, 1395932), (163, 787888), (184, 697966), (326, 393944), (368, 348983), (652, 196972), (1304, 98486), (2141, 59984), (2608, 49243), (3749, 34256), (4282, 29992), (7498, 17128), (8564, 14996)]