398260048

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{911}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 783699840

約数和(自身を除く): 385439792

約数列:

[1, 2, 4, 8, 16, 89, 178, 307, 356, 614, 712, 911, 1228, 1424, 1822, 2456, 3644, 4912, 7288, 14576, 27323, 54646, 81079, 109292, 162158, 218584, 279677, 324316, 437168, 559354, 648632, 1118708, 1297264, 2237416, 4474832, 24891253, 49782506, 99565012, 199130024, 398260048]

約数ペア:

[(1, 398260048), (2, 199130024), (4, 99565012), (8, 49782506), (16, 24891253), (89, 4474832), (178, 2237416), (307, 1297264), (356, 1118708), (614, 648632), (712, 559354), (911, 437168), (1228, 324316), (1424, 279677), (1822, 218584), (2456, 162158), (3644, 109292), (4912, 81079), (7288, 54646), (14576, 27323)]