28851515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 43559424

約数和(自身を除く): 14707909

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 547, 685, 959, 1507, 2735, 3829, 4795, 6017, 7535, 10549, 19145, 30085, 42119, 52745, 74939, 210595, 374695, 524573, 824329, 2622865, 4121645, 5770303, 28851515]

約数ペア:

[(1, 28851515), (5, 5770303), (7, 4121645), (11, 2622865), (35, 824329), (55, 524573), (77, 374695), (137, 210595), (385, 74939), (547, 52745), (685, 42119), (959, 30085), (1507, 19145), (2735, 10549), (3829, 7535), (4795, 6017)]