289325852

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 539965440

約数和(自身を除く): 250639588

約数列:

[1, 2, 4, 31, 59, 62, 71, 118, 124, 142, 236, 284, 557, 1114, 1829, 2201, 2228, 3658, 4189, 4402, 7316, 8378, 8804, 16756, 17267, 32863, 34534, 39547, 65726, 69068, 79094, 129859, 131452, 158188, 259718, 519436, 1018753, 1225957, 2037506, 2333273, 2451914, 4075012, 4666546, 4903828, 9333092, 72331463, 144662926, 289325852]

約数ペア:

[(1, 289325852), (2, 144662926), (4, 72331463), (31, 9333092), (59, 4903828), (62, 4666546), (71, 4075012), (118, 2451914), (124, 2333273), (142, 2037506), (236, 1225957), (284, 1018753), (557, 519436), (1114, 259718), (1829, 158188), (2201, 131452), (2228, 129859), (3658, 79094), (4189, 69068), (4402, 65726), (7316, 39547), (8378, 34534), (8804, 32863), (16756, 17267)]