213099425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 340168704

約数和(自身を除く): 127069279

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 1085, 1705, 1925, 2387, 3571, 5425, 8525, 11935, 17855, 24997, 39281, 59675, 89275, 110701, 124985, 196405, 274967, 553505, 624925, 774907, 982025, 1217711, 1374835, 2767525, 3874535, 6088555, 6874175, 8523977, 19372675, 30442775, 42619885, 213099425]

約数ペア:

[(1, 213099425), (5, 42619885), (7, 30442775), (11, 19372675), (25, 8523977), (31, 6874175), (35, 6088555), (55, 3874535), (77, 2767525), (155, 1374835), (175, 1217711), (217, 982025), (275, 774907), (341, 624925), (385, 553505), (775, 274967), (1085, 196405), (1705, 124985), (1925, 110701), (2387, 89275), (3571, 59675), (5425, 39281), (8525, 24997), (11935, 17855)]