216339890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{87587}}^1$

素因数の和:87626

約数の個数: 32

約数和(自身を含む): 441443520

約数和(自身を除く): 225103630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 87587, 175174, 437935, 875870, 1138631, 1664153, 2277262, 3328306, 5693155, 8320765, 11386310, 16641530, 21633989, 43267978, 108169945, 216339890]

約数ペア:

[(1, 216339890), (2, 108169945), (5, 43267978), (10, 21633989), (13, 16641530), (19, 11386310), (26, 8320765), (38, 5693155), (65, 3328306), (95, 2277262), (130, 1664153), (190, 1138631), (247, 875870), (494, 437935), (1235, 175174), (2470, 87587)]