205427885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 274575840

約数和(自身を除く): 69147955

約数列:

[1, 5, 13, 37, 65, 185, 229, 373, 481, 1145, 1865, 2405, 2977, 4849, 8473, 13801, 14885, 24245, 42365, 69005, 85417, 110149, 179413, 427085, 550745, 897065, 1110421, 3160429, 5552105, 15802145, 41085577, 205427885]

約数ペア:

[(1, 205427885), (5, 41085577), (13, 15802145), (37, 5552105), (65, 3160429), (185, 1110421), (229, 897065), (373, 550745), (481, 427085), (1145, 179413), (1865, 110149), (2405, 85417), (2977, 69005), (4849, 42365), (8473, 24245), (13801, 14885)]