721846152

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{61507}}^1$

素因数の和:61682

約数の個数: 48

約数和(自身を含む): 1967025840

約数和(自身を除く): 1245179688

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, 11736, 61507, 123014, 184521, 246028, 369042, 492056, 553563, 738084, 1107126, 1476168, 2214252, 4428504, 10025641, 20051282, 30076923, 40102564, 60153846, 80205128, 90230769, 120307692, 180461538, 240615384, 360923076, 721846152]

約数ペア:

[(1, 721846152), (2, 360923076), (3, 240615384), (4, 180461538), (6, 120307692), (8, 90230769), (9, 80205128), (12, 60153846), (18, 40102564), (24, 30076923), (36, 20051282), (72, 10025641), (163, 4428504), (326, 2214252), (489, 1476168), (652, 1107126), (978, 738084), (1304, 553563), (1467, 492056), (1956, 369042), (2934, 246028), (3912, 184521), (5868, 123014), (11736, 61507)]