646206656

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{325709}}^1$

素因数の和:325752

約数の個数: 28

約数和(自身を含む): 1323685440

約数和(自身を除く): 677478784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 325709, 651418, 1302836, 2605672, 5211344, 10096979, 10422688, 20193958, 20845376, 40387916, 80775832, 161551664, 323103328, 646206656]

約数ペア:

[(1, 646206656), (2, 323103328), (4, 161551664), (8, 80775832), (16, 40387916), (31, 20845376), (32, 20193958), (62, 10422688), (64, 10096979), (124, 5211344), (248, 2605672), (496, 1302836), (992, 651418), (1984, 325709)]