81544430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 168956928

約数和(自身を除く): 87412498

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 167, 193, 230, 253, 334, 386, 506, 835, 965, 1265, 1670, 1837, 1930, 2123, 2530, 3674, 3841, 4246, 4439, 7682, 8878, 9185, 10615, 18370, 19205, 21230, 22195, 32231, 38410, 42251, 44390, 48829, 64462, 84502, 97658, 161155, 211255, 244145, 322310, 354541, 422510, 488290, 709082, 741313, 1482626, 1772705, 3545410, 3706565, 7413130, 8154443, 16308886, 40772215, 81544430]

約数ペア:

[(1, 81544430), (2, 40772215), (5, 16308886), (10, 8154443), (11, 7413130), (22, 3706565), (23, 3545410), (46, 1772705), (55, 1482626), (110, 741313), (115, 709082), (167, 488290), (193, 422510), (230, 354541), (253, 322310), (334, 244145), (386, 211255), (506, 161155), (835, 97658), (965, 84502), (1265, 64462), (1670, 48829), (1837, 44390), (1930, 42251), (2123, 38410), (2530, 32231), (3674, 22195), (3841, 21230), (4246, 19205), (4439, 18370), (7682, 10615), (8878, 9185)]