80778888

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{6883}}^1$

素因数の和:7058

約数の個数: 48

約数和(自身を含む): 220150320

約数和(自身を除く): 139371432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2934, 3912, 5868, 6883, 11736, 13766, 20649, 27532, 41298, 55064, 61947, 82596, 123894, 165192, 247788, 495576, 1121929, 2243858, 3365787, 4487716, 6731574, 8975432, 10097361, 13463148, 20194722, 26926296, 40389444, 80778888]

約数ペア:

[(1, 80778888), (2, 40389444), (3, 26926296), (4, 20194722), (6, 13463148), (8, 10097361), (9, 8975432), (12, 6731574), (18, 4487716), (24, 3365787), (36, 2243858), (72, 1121929), (163, 495576), (326, 247788), (489, 165192), (652, 123894), (978, 82596), (1304, 61947), (1467, 55064), (1956, 41298), (2934, 27532), (3912, 20649), (5868, 13766), (6883, 11736)]