254407452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1697}}^1$

素因数の和:1779

約数の個数: 72

約数和(自身を含む): 660956688

約数和(自身を除く): 406549236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 961, 1209, 1612, 1697, 1922, 2418, 2883, 3394, 3844, 4836, 5091, 5766, 6788, 10182, 11532, 12493, 20364, 22061, 24986, 37479, 44122, 49972, 52607, 66183, 74958, 88244, 105214, 132366, 149916, 157821, 210428, 264732, 315642, 631284, 683891, 1367782, 1630817, 2051673, 2735564, 3261634, 4103346, 4892451, 6523268, 8206692, 9784902, 19569804, 21200621, 42401242, 63601863, 84802484, 127203726, 254407452]

約数ペア:

[(1, 254407452), (2, 127203726), (3, 84802484), (4, 63601863), (6, 42401242), (12, 21200621), (13, 19569804), (26, 9784902), (31, 8206692), (39, 6523268), (52, 4892451), (62, 4103346), (78, 3261634), (93, 2735564), (124, 2051673), (156, 1630817), (186, 1367782), (372, 683891), (403, 631284), (806, 315642), (961, 264732), (1209, 210428), (1612, 157821), (1697, 149916), (1922, 132366), (2418, 105214), (2883, 88244), (3394, 74958), (3844, 66183), (4836, 52607), (5091, 49972), (5766, 44122), (6788, 37479), (10182, 24986), (11532, 22061), (12493, 20364)]