131344768

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 274176000

約数和(自身を除く): 142831232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 316, 419, 496, 632, 838, 992, 1264, 1676, 1984, 2449, 2528, 3352, 3968, 4898, 5056, 6704, 9796, 10112, 12989, 13408, 19592, 25978, 26816, 33101, 39184, 51956, 53632, 66202, 78368, 103912, 132404, 156736, 207824, 264808, 313472, 415648, 529616, 831296, 1026131, 1059232, 1662592, 2052262, 2118464, 4104524, 4236928, 8209048, 16418096, 32836192, 65672384, 131344768]

約数ペア:

[(1, 131344768), (2, 65672384), (4, 32836192), (8, 16418096), (16, 8209048), (31, 4236928), (32, 4104524), (62, 2118464), (64, 2052262), (79, 1662592), (124, 1059232), (128, 1026131), (158, 831296), (248, 529616), (316, 415648), (419, 313472), (496, 264808), (632, 207824), (838, 156736), (992, 132404), (1264, 103912), (1676, 78368), (1984, 66202), (2449, 53632), (2528, 51956), (3352, 39184), (3968, 33101), (4898, 26816), (5056, 25978), (6704, 19592), (9796, 13408), (10112, 12989)]