388953604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 747004608

約数和(自身を除く): 358051004

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 227, 332, 397, 454, 794, 908, 1079, 1588, 2158, 2951, 4316, 5161, 5902, 10322, 11804, 18841, 20644, 32951, 37682, 65902, 75364, 90119, 131804, 180238, 244933, 360476, 428363, 489866, 856726, 979732, 1171547, 1713452, 2343094, 4686188, 7479877, 14959754, 29919508, 97238401, 194476802, 388953604]

約数ペア:

[(1, 388953604), (2, 194476802), (4, 97238401), (13, 29919508), (26, 14959754), (52, 7479877), (83, 4686188), (166, 2343094), (227, 1713452), (332, 1171547), (397, 979732), (454, 856726), (794, 489866), (908, 428363), (1079, 360476), (1588, 244933), (2158, 180238), (2951, 131804), (4316, 90119), (5161, 75364), (5902, 65902), (10322, 37682), (11804, 32951), (18841, 20644)]