890684432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{266353}}^1$

素因数の和:266391

約数の個数: 40

約数和(自身を含む): 1981673760

約数和(自身を除く): 1090989328

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 266353, 532706, 1065412, 2130824, 2929883, 4261648, 5060707, 5859766, 10121414, 11719532, 20242828, 23439064, 40485656, 46878128, 55667777, 80971312, 111335554, 222671108, 445342216, 890684432]

約数ペア:

[(1, 890684432), (2, 445342216), (4, 222671108), (8, 111335554), (11, 80971312), (16, 55667777), (19, 46878128), (22, 40485656), (38, 23439064), (44, 20242828), (76, 11719532), (88, 10121414), (152, 5859766), (176, 5060707), (209, 4261648), (304, 2929883), (418, 2130824), (836, 1065412), (1672, 532706), (3344, 266353)]