198611270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{138889}}^1$

素因数の和:138920

約数の個数: 32

約数和(自身を含む): 420003360

約数和(自身を除く): 221392090

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 138889, 277778, 694445, 1388890, 1527779, 1805557, 3055558, 3611114, 7638895, 9027785, 15277790, 18055570, 19861127, 39722254, 99305635, 198611270]

約数ペア:

[(1, 198611270), (2, 99305635), (5, 39722254), (10, 19861127), (11, 18055570), (13, 15277790), (22, 9027785), (26, 7638895), (55, 3611114), (65, 3055558), (110, 1805557), (130, 1527779), (143, 1388890), (286, 694445), (715, 277778), (1430, 138889)]