216508208

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47149}}^1$

素因数の和:47205

約数の個数: 40

約数和(自身を含む): 491114400

約数和(自身を除く): 274606192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 47149, 94298, 188596, 330043, 377192, 660086, 754384, 1320172, 1933109, 2640344, 3866218, 5280688, 7732436, 13531763, 15464872, 27063526, 30929744, 54127052, 108254104, 216508208]

約数ペア:

[(1, 216508208), (2, 108254104), (4, 54127052), (7, 30929744), (8, 27063526), (14, 15464872), (16, 13531763), (28, 7732436), (41, 5280688), (56, 3866218), (82, 2640344), (112, 1933109), (164, 1320172), (287, 754384), (328, 660086), (574, 377192), (656, 330043), (1148, 188596), (2296, 94298), (4592, 47149)]