1138879984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{208739}}^1$

素因数の和:208789

約数の個数: 40

約数和(自身を含む): 2484840960

約数和(自身を除く): 1345960976

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 208739, 417478, 834956, 1669912, 2296129, 3339824, 4592258, 6470909, 9184516, 12941818, 18369032, 25883636, 36738064, 51767272, 71179999, 103534544, 142359998, 284719996, 569439992, 1138879984]

約数ペア:

[(1, 1138879984), (2, 569439992), (4, 284719996), (8, 142359998), (11, 103534544), (16, 71179999), (22, 51767272), (31, 36738064), (44, 25883636), (62, 18369032), (88, 12941818), (124, 9184516), (176, 6470909), (248, 4592258), (341, 3339824), (496, 2296129), (682, 1669912), (1364, 834956), (2728, 417478), (5456, 208739)]