25457228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 50549184

約数和(自身を除く): 25091956

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 92, 164, 391, 397, 697, 782, 794, 943, 1394, 1564, 1588, 1886, 2788, 3772, 6749, 9131, 13498, 16031, 16277, 18262, 26996, 32062, 32554, 36524, 64124, 65108, 155227, 276709, 310454, 374371, 553418, 620908, 748742, 1106836, 1497484, 6364307, 12728614, 25457228]

約数ペア:

[(1, 25457228), (2, 12728614), (4, 6364307), (17, 1497484), (23, 1106836), (34, 748742), (41, 620908), (46, 553418), (68, 374371), (82, 310454), (92, 276709), (164, 155227), (391, 65108), (397, 64124), (697, 36524), (782, 32554), (794, 32062), (943, 26996), (1394, 18262), (1564, 16277), (1588, 16031), (1886, 13498), (2788, 9131), (3772, 6749)]