81904672

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 83205728

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 179, 181, 316, 358, 362, 632, 716, 724, 1264, 1432, 1448, 2528, 2864, 2896, 5728, 5792, 14141, 14299, 28282, 28598, 32399, 56564, 57196, 64798, 113128, 114392, 129596, 226256, 228784, 259192, 452512, 457568, 518384, 1036768, 2559521, 5119042, 10238084, 20476168, 40952336, 81904672]

約数ペア:

[(1, 81904672), (2, 40952336), (4, 20476168), (8, 10238084), (16, 5119042), (32, 2559521), (79, 1036768), (158, 518384), (179, 457568), (181, 452512), (316, 259192), (358, 228784), (362, 226256), (632, 129596), (716, 114392), (724, 113128), (1264, 64798), (1432, 57196), (1448, 56564), (2528, 32399), (2864, 28598), (2896, 28282), (5728, 14299), (5792, 14141)]