54901990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38393}}^1$

素因数の和:38424

約数の個数: 32

約数和(自身を含む): 116103456

約数和(自身を除く): 61201466

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 38393, 76786, 191965, 383930, 422323, 499109, 844646, 998218, 2111615, 2495545, 4223230, 4991090, 5490199, 10980398, 27450995, 54901990]

約数ペア:

[(1, 54901990), (2, 27450995), (5, 10980398), (10, 5490199), (11, 4991090), (13, 4223230), (22, 2495545), (26, 2111615), (55, 998218), (65, 844646), (110, 499109), (130, 422323), (143, 383930), (286, 191965), (715, 76786), (1430, 38393)]