66456728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{639007}}^1$

素因数の和:639026

約数の個数: 16

約数和(自身を含む): 134191680

約数和(自身を除く): 67734952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 639007, 1278014, 2556028, 5112056, 8307091, 16614182, 33228364, 66456728]

約数ペア:

[(1, 66456728), (2, 33228364), (4, 16614182), (8, 8307091), (13, 5112056), (26, 2556028), (52, 1278014), (104, 639007)]