890474868

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1\times {\mathrm{577}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 2277283008

約数和(自身を除く): 1386808140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 263, 326, 489, 526, 577, 652, 789, 978, 1052, 1154, 1467, 1578, 1731, 1956, 2308, 2367, 2934, 3156, 3462, 4734, 5193, 5868, 6924, 9468, 10386, 20772, 42869, 85738, 94051, 128607, 151751, 171476, 188102, 257214, 282153, 303502, 376204, 385821, 455253, 514428, 564306, 607004, 771642, 846459, 910506, 1128612, 1365759, 1543284, 1692918, 1821012, 2731518, 3385836, 5463036, 24735413, 49470826, 74206239, 98941652, 148412478, 222618717, 296824956, 445237434, 890474868]

約数ペア:

[(1, 890474868), (2, 445237434), (3, 296824956), (4, 222618717), (6, 148412478), (9, 98941652), (12, 74206239), (18, 49470826), (36, 24735413), (163, 5463036), (263, 3385836), (326, 2731518), (489, 1821012), (526, 1692918), (577, 1543284), (652, 1365759), (789, 1128612), (978, 910506), (1052, 846459), (1154, 771642), (1467, 607004), (1578, 564306), (1731, 514428), (1956, 455253), (2308, 385821), (2367, 376204), (2934, 303502), (3156, 282153), (3462, 257214), (4734, 188102), (5193, 171476), (5868, 151751), (6924, 128607), (9468, 94051), (10386, 85738), (20772, 42869)]