15565557136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1471}}^1\times {\mathrm{38903}}^1$

素因数の和:40399

約数の個数: 40

約数和(自身を含む): 31954811904

約数和(自身を除く): 16389254768

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1471, 2942, 5884, 11768, 23536, 25007, 38903, 50014, 77806, 100028, 155612, 200056, 311224, 400112, 622448, 661351, 1322702, 2645404, 5290808, 10581616, 57226313, 114452626, 228905252, 457810504, 915621008, 972847321, 1945694642, 3891389284, 7782778568, 15565557136]

約数ペア:

[(1, 15565557136), (2, 7782778568), (4, 3891389284), (8, 1945694642), (16, 972847321), (17, 915621008), (34, 457810504), (68, 228905252), (136, 114452626), (272, 57226313), (1471, 10581616), (2942, 5290808), (5884, 2645404), (11768, 1322702), (23536, 661351), (25007, 622448), (38903, 400112), (50014, 311224), (77806, 200056), (100028, 155612)]