289768284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19973}}^1$

素因数の和:20027

約数の個数: 72

約数和(自身を含む): 814300032

約数和(自身を除く): 524531748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 19973, 39946, 59919, 79892, 119838, 179757, 239676, 259649, 359514, 519298, 619163, 719028, 778947, 1038596, 1238326, 1557894, 1857489, 2336841, 2476652, 3115788, 3714978, 4673682, 5572467, 7429956, 8049119, 9347364, 11144934, 16098238, 22289868, 24147357, 32196476, 48294714, 72442071, 96589428, 144884142, 289768284]

約数ペア:

[(1, 289768284), (2, 144884142), (3, 96589428), (4, 72442071), (6, 48294714), (9, 32196476), (12, 24147357), (13, 22289868), (18, 16098238), (26, 11144934), (31, 9347364), (36, 8049119), (39, 7429956), (52, 5572467), (62, 4673682), (78, 3714978), (93, 3115788), (117, 2476652), (124, 2336841), (156, 1857489), (186, 1557894), (234, 1238326), (279, 1038596), (372, 778947), (403, 719028), (468, 619163), (558, 519298), (806, 359514), (1116, 259649), (1209, 239676), (1612, 179757), (2418, 119838), (3627, 79892), (4836, 59919), (7254, 39946), (14508, 19973)]