64731836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 125737920

約数和(自身を除く): 61006084

約数列:

[1, 2, 4, 13, 26, 52, 71, 89, 142, 178, 197, 284, 356, 394, 788, 923, 1157, 1846, 2314, 2561, 3692, 4628, 5122, 6319, 10244, 12638, 13987, 17533, 25276, 27974, 35066, 55948, 70132, 82147, 164294, 181831, 227929, 328588, 363662, 455858, 727324, 911716, 1244843, 2489686, 4979372, 16182959, 32365918, 64731836]

約数ペア:

[(1, 64731836), (2, 32365918), (4, 16182959), (13, 4979372), (26, 2489686), (52, 1244843), (71, 911716), (89, 727324), (142, 455858), (178, 363662), (197, 328588), (284, 227929), (356, 181831), (394, 164294), (788, 82147), (923, 70132), (1157, 55948), (1846, 35066), (2314, 27974), (2561, 25276), (3692, 17533), (4628, 13987), (5122, 12638), (6319, 10244)]