28683670288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19700323}}^1$

素因数の和:19700351

約数の個数: 40

約数和(自身を含む): 68399524928

約数和(自身を除く): 39715854640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19700323, 39400646, 78801292, 137902261, 157602584, 256104199, 275804522, 315205168, 512208398, 551609044, 1024416796, 1103218088, 1792729393, 2048833592, 2206436176, 3585458786, 4097667184, 7170917572, 14341835144, 28683670288]

約数ペア:

[(1, 28683670288), (2, 14341835144), (4, 7170917572), (7, 4097667184), (8, 3585458786), (13, 2206436176), (14, 2048833592), (16, 1792729393), (26, 1103218088), (28, 1024416796), (52, 551609044), (56, 512208398), (91, 315205168), (104, 275804522), (112, 256104199), (182, 157602584), (208, 137902261), (364, 78801292), (728, 39400646), (1456, 19700323)]