215687416

素因数分解:

$2^3\times 7^2\times {\mathrm{569}}^1\times {\mathrm{967}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 471754800

約数和(自身を除く): 256067384

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 569, 967, 1138, 1934, 2276, 3868, 3983, 4552, 6769, 7736, 7966, 13538, 15932, 27076, 27881, 31864, 47383, 54152, 55762, 94766, 111524, 189532, 223048, 379064, 550223, 1100446, 2200892, 3851561, 4401784, 7703122, 15406244, 26960927, 30812488, 53921854, 107843708, 215687416]

約数ペア:

[(1, 215687416), (2, 107843708), (4, 53921854), (7, 30812488), (8, 26960927), (14, 15406244), (28, 7703122), (49, 4401784), (56, 3851561), (98, 2200892), (196, 1100446), (392, 550223), (569, 379064), (967, 223048), (1138, 189532), (1934, 111524), (2276, 94766), (3868, 55762), (3983, 54152), (4552, 47383), (6769, 31864), (7736, 27881), (7966, 27076), (13538, 15932)]