25861316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 51330048

約数和(自身を除く): 25468732

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 244, 263, 403, 526, 793, 806, 1052, 1586, 1612, 1891, 3172, 3419, 3782, 6838, 7564, 8153, 13676, 16043, 16306, 24583, 32086, 32612, 49166, 64172, 98332, 105989, 208559, 211978, 417118, 423956, 497333, 834236, 994666, 1989332, 6465329, 12930658, 25861316]

約数ペア:

[(1, 25861316), (2, 12930658), (4, 6465329), (13, 1989332), (26, 994666), (31, 834236), (52, 497333), (61, 423956), (62, 417118), (122, 211978), (124, 208559), (244, 105989), (263, 98332), (403, 64172), (526, 49166), (793, 32612), (806, 32086), (1052, 24583), (1586, 16306), (1612, 16043), (1891, 13676), (3172, 8153), (3419, 7564), (3782, 6838)]