128456388

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{7297}}^1$

素因数の和:7473

約数の個数: 48

約数和(自身を含む): 335124160

約数和(自身を除く): 206667772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4401, 5868, 7297, 8802, 14594, 17604, 21891, 29188, 43782, 65673, 87564, 131346, 197019, 262692, 394038, 788076, 1189411, 2378822, 3568233, 4757644, 7136466, 10704699, 14272932, 21409398, 32114097, 42818796, 64228194, 128456388]

約数ペア:

[(1, 128456388), (2, 64228194), (3, 42818796), (4, 32114097), (6, 21409398), (9, 14272932), (12, 10704699), (18, 7136466), (27, 4757644), (36, 3568233), (54, 2378822), (108, 1189411), (163, 788076), (326, 394038), (489, 262692), (652, 197019), (978, 131346), (1467, 87564), (1956, 65673), (2934, 43782), (4401, 29188), (5868, 21891), (7297, 17604), (8802, 14594)]