79781454

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 176061600

約数和(自身を除く): 96280146

約数列:

[1, 2, 3, 6, 9, 18, 149, 151, 197, 298, 302, 394, 447, 453, 591, 894, 906, 1182, 1341, 1359, 1773, 2682, 2718, 3546, 22499, 29353, 29747, 44998, 58706, 59494, 67497, 88059, 89241, 134994, 176118, 178482, 202491, 264177, 267723, 404982, 528354, 535446, 4432303, 8864606, 13296909, 26593818, 39890727, 79781454]

約数ペア:

[(1, 79781454), (2, 39890727), (3, 26593818), (6, 13296909), (9, 8864606), (18, 4432303), (149, 535446), (151, 528354), (197, 404982), (298, 267723), (302, 264177), (394, 202491), (447, 178482), (453, 176118), (591, 134994), (894, 89241), (906, 88059), (1182, 67497), (1341, 59494), (1359, 58706), (1773, 44998), (2682, 29747), (2718, 29353), (3546, 22499)]