215230484

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3989}}^1$

素因数の和:4088

約数の個数: 48

約数和(自身を含む): 450455040

約数和(自身を除く): 235224556

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 574, 658, 1148, 1316, 1927, 3854, 3989, 7708, 7978, 13489, 15956, 26978, 27923, 53956, 55846, 111692, 163549, 187483, 327098, 374966, 654196, 749932, 1144843, 1312381, 2289686, 2624762, 4579372, 5249524, 7686803, 15373606, 30747212, 53807621, 107615242, 215230484]

約数ペア:

[(1, 215230484), (2, 107615242), (4, 53807621), (7, 30747212), (14, 15373606), (28, 7686803), (41, 5249524), (47, 4579372), (82, 2624762), (94, 2289686), (164, 1312381), (188, 1144843), (287, 749932), (329, 654196), (574, 374966), (658, 327098), (1148, 187483), (1316, 163549), (1927, 111692), (3854, 55846), (3989, 53956), (7708, 27923), (7978, 26978), (13489, 15956)]