78897952

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20719}}^1$

素因数の和:20753

約数の個数: 48

約数和(自身を含む): 187971840

約数和(自身を除く): 109073888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 20719, 41438, 82876, 145033, 165752, 290066, 331504, 352223, 580132, 663008, 704446, 1160264, 1408892, 2320528, 2465561, 2817784, 4641056, 4931122, 5635568, 9862244, 11271136, 19724488, 39448976, 78897952]

約数ペア:

[(1, 78897952), (2, 39448976), (4, 19724488), (7, 11271136), (8, 9862244), (14, 5635568), (16, 4931122), (17, 4641056), (28, 2817784), (32, 2465561), (34, 2320528), (56, 1408892), (68, 1160264), (112, 704446), (119, 663008), (136, 580132), (224, 352223), (238, 331504), (272, 290066), (476, 165752), (544, 145033), (952, 82876), (1904, 41438), (3808, 20719)]