7778992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 16405200

約数和(自身を除く): 8626208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 251, 298, 502, 596, 1004, 1192, 1937, 2008, 2384, 3263, 3874, 4016, 6526, 7748, 13052, 15496, 26104, 30992, 37399, 52208, 74798, 149596, 299192, 486187, 598384, 972374, 1944748, 3889496, 7778992]

約数ペア:

[(1, 7778992), (2, 3889496), (4, 1944748), (8, 972374), (13, 598384), (16, 486187), (26, 299192), (52, 149596), (104, 74798), (149, 52208), (208, 37399), (251, 30992), (298, 26104), (502, 15496), (596, 13052), (1004, 7748), (1192, 6526), (1937, 4016), (2008, 3874), (2384, 3263)]