81909618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{11273}}^1$

素因数の和:11458

約数の個数: 32

約数和(自身を含む): 188320896

約数和(自身を除く): 106411278

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 3633, 7266, 11273, 22546, 33819, 67638, 78911, 157822, 236733, 473466, 1950229, 3900458, 5850687, 11701374, 13651603, 27303206, 40954809, 81909618]

約数ペア:

[(1, 81909618), (2, 40954809), (3, 27303206), (6, 13651603), (7, 11701374), (14, 5850687), (21, 3900458), (42, 1950229), (173, 473466), (346, 236733), (519, 157822), (1038, 78911), (1211, 67638), (2422, 33819), (3633, 22546), (7266, 11273)]