320425976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{3109}}^1$

素因数の和:4119

約数の個数: 32

約数和(自身を含む): 647875200

約数和(自身を除く): 327449224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 991, 1982, 3109, 3964, 6218, 7928, 12436, 12883, 24872, 25766, 40417, 51532, 80834, 103064, 161668, 323336, 3081019, 6162038, 12324076, 24648152, 40053247, 80106494, 160212988, 320425976]

約数ペア:

[(1, 320425976), (2, 160212988), (4, 80106494), (8, 40053247), (13, 24648152), (26, 12324076), (52, 6162038), (104, 3081019), (991, 323336), (1982, 161668), (3109, 103064), (3964, 80834), (6218, 51532), (7928, 40417), (12436, 25766), (12883, 24872)]