653977168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{39799}}^1$

素因数の和:39899

約数の個数: 40

約数和(自身を含む): 1381856000

約数和(自身を除く): 727878832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 39799, 79598, 159196, 318392, 517387, 636784, 1034774, 2069548, 3144121, 4139096, 6288242, 8278192, 12576484, 25152968, 40873573, 50305936, 81747146, 163494292, 326988584, 653977168]

約数ペア:

[(1, 653977168), (2, 326988584), (4, 163494292), (8, 81747146), (13, 50305936), (16, 40873573), (26, 25152968), (52, 12576484), (79, 8278192), (104, 6288242), (158, 4139096), (208, 3144121), (316, 2069548), (632, 1034774), (1027, 636784), (1264, 517387), (2054, 318392), (4108, 159196), (8216, 79598), (16432, 39799)]