217851456

素因数分解:

$2^6\times 3^1\times {\mathrm{163}}^1\times {\mathrm{6961}}^1$

素因数の和:7139

約数の個数: 56

約数和(自身を含む): 580018144

約数和(自身を除く): 362166688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 163, 192, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 5216, 6961, 7824, 10432, 13922, 15648, 20883, 27844, 31296, 41766, 55688, 83532, 111376, 167064, 222752, 334128, 445504, 668256, 1134643, 1336512, 2269286, 3403929, 4538572, 6807858, 9077144, 13615716, 18154288, 27231432, 36308576, 54462864, 72617152, 108925728, 217851456]

約数ペア:

[(1, 217851456), (2, 108925728), (3, 72617152), (4, 54462864), (6, 36308576), (8, 27231432), (12, 18154288), (16, 13615716), (24, 9077144), (32, 6807858), (48, 4538572), (64, 3403929), (96, 2269286), (163, 1336512), (192, 1134643), (326, 668256), (489, 445504), (652, 334128), (978, 222752), (1304, 167064), (1956, 111376), (2608, 83532), (3912, 55688), (5216, 41766), (6961, 31296), (7824, 27844), (10432, 20883), (13922, 15648)]