397124637

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 682106880

約数和(自身を除く): 284982243

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 103, 203, 273, 309, 377, 487, 609, 721, 1131, 1339, 1461, 2163, 2639, 2987, 3409, 4017, 6331, 7917, 8961, 9373, 10227, 14123, 18993, 20909, 28119, 38831, 42369, 44317, 50161, 62727, 98861, 116493, 132951, 150483, 183599, 271817, 296583, 351127, 550797, 652093, 815451, 1053381, 1285193, 1454669, 1956279, 3855579, 4364007, 4564651, 10182683, 13693953, 18910697, 30548049, 56732091, 132374879, 397124637]

約数ペア:

[(1, 397124637), (3, 132374879), (7, 56732091), (13, 30548049), (21, 18910697), (29, 13693953), (39, 10182683), (87, 4564651), (91, 4364007), (103, 3855579), (203, 1956279), (273, 1454669), (309, 1285193), (377, 1053381), (487, 815451), (609, 652093), (721, 550797), (1131, 351127), (1339, 296583), (1461, 271817), (2163, 183599), (2639, 150483), (2987, 132951), (3409, 116493), (4017, 98861), (6331, 62727), (7917, 50161), (8961, 44317), (9373, 42369), (10227, 38831), (14123, 28119), (18993, 20909)]