1640759832

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{990797}}^1$

素因数の和:990832

約数の個数: 48

約数和(自身を含む): 4636934640

約数和(自身を除く): 2996174808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 990797, 1981594, 2972391, 3963188, 5944782, 7926376, 8917173, 11889564, 17834346, 22788331, 23779128, 35668692, 45576662, 68364993, 71337384, 91153324, 136729986, 182306648, 205094979, 273459972, 410189958, 546919944, 820379916, 1640759832]

約数ペア:

[(1, 1640759832), (2, 820379916), (3, 546919944), (4, 410189958), (6, 273459972), (8, 205094979), (9, 182306648), (12, 136729986), (18, 91153324), (23, 71337384), (24, 68364993), (36, 45576662), (46, 35668692), (69, 23779128), (72, 22788331), (92, 17834346), (138, 11889564), (184, 8917173), (207, 7926376), (276, 5944782), (414, 3963188), (552, 2972391), (828, 1981594), (1656, 990797)]