71781678

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 161606016

約数和(自身を除く): 89824338

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 197, 279, 394, 558, 591, 653, 1182, 1306, 1773, 1959, 3546, 3918, 5877, 6107, 11754, 12214, 18321, 20243, 36642, 40486, 54963, 60729, 109926, 121458, 128641, 182187, 257282, 364374, 385923, 771846, 1157769, 2315538, 3987871, 7975742, 11963613, 23927226, 35890839, 71781678]

約数ペア:

[(1, 71781678), (2, 35890839), (3, 23927226), (6, 11963613), (9, 7975742), (18, 3987871), (31, 2315538), (62, 1157769), (93, 771846), (186, 385923), (197, 364374), (279, 257282), (394, 182187), (558, 128641), (591, 121458), (653, 109926), (1182, 60729), (1306, 54963), (1773, 40486), (1959, 36642), (3546, 20243), (3918, 18321), (5877, 12214), (6107, 11754)]