161928128

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4801}}^1$

素因数の和:4861

約数の個数: 56

約数和(自身を含む): 351275904

約数和(自身を除く): 189347776

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 4216, 4801, 8432, 9602, 16864, 19204, 33728, 38408, 76816, 81617, 148831, 153632, 163234, 297662, 307264, 326468, 595324, 652936, 1190648, 1305872, 2381296, 2530127, 2611744, 4762592, 5060254, 5223488, 9525184, 10120508, 20241016, 40482032, 80964064, 161928128]

約数ペア:

[(1, 161928128), (2, 80964064), (4, 40482032), (8, 20241016), (16, 10120508), (17, 9525184), (31, 5223488), (32, 5060254), (34, 4762592), (62, 2611744), (64, 2530127), (68, 2381296), (124, 1305872), (136, 1190648), (248, 652936), (272, 595324), (496, 326468), (527, 307264), (544, 297662), (992, 163234), (1054, 153632), (1088, 148831), (1984, 81617), (2108, 76816), (4216, 38408), (4801, 33728), (8432, 19204), (9602, 16864)]