138401328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{221797}}^1$

素因数の和:221821

約数の個数: 40

約数和(自身を含む): 385041328

約数和(自身を除く): 246640000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 221797, 443594, 665391, 887188, 1330782, 1774376, 2661564, 2883361, 3548752, 5323128, 5766722, 8650083, 10646256, 11533444, 17300166, 23066888, 34600332, 46133776, 69200664, 138401328]

約数ペア:

[(1, 138401328), (2, 69200664), (3, 46133776), (4, 34600332), (6, 23066888), (8, 17300166), (12, 11533444), (13, 10646256), (16, 8650083), (24, 5766722), (26, 5323128), (39, 3548752), (48, 2883361), (52, 2661564), (78, 1774376), (104, 1330782), (156, 887188), (208, 665391), (312, 443594), (624, 221797)]