388655215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 536737536

約数和(自身を除く): 148082321

約数列:

[1, 5, 13, 31, 37, 65, 155, 169, 185, 401, 403, 481, 845, 1147, 2005, 2015, 2405, 5213, 5239, 5735, 6253, 12431, 14837, 14911, 26065, 26195, 31265, 62155, 67769, 74185, 74555, 161603, 192881, 193843, 338845, 459947, 808015, 964405, 969215, 2100839, 2299735, 2507453, 5979311, 10504195, 12537265, 29896555, 77731043, 388655215]

約数ペア:

[(1, 388655215), (5, 77731043), (13, 29896555), (31, 12537265), (37, 10504195), (65, 5979311), (155, 2507453), (169, 2299735), (185, 2100839), (401, 969215), (403, 964405), (481, 808015), (845, 459947), (1147, 338845), (2005, 193843), (2015, 192881), (2405, 161603), (5213, 74555), (5239, 74185), (5735, 67769), (6253, 62155), (12431, 31265), (14837, 26195), (14911, 26065)]