2187952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 4662896

約数和(自身を除く): 2474944

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 157, 208, 268, 314, 536, 628, 871, 1072, 1256, 1742, 2041, 2512, 3484, 4082, 6968, 8164, 10519, 13936, 16328, 21038, 32656, 42076, 84152, 136747, 168304, 273494, 546988, 1093976, 2187952]

約数ペア:

[(1, 2187952), (2, 1093976), (4, 546988), (8, 273494), (13, 168304), (16, 136747), (26, 84152), (52, 42076), (67, 32656), (104, 21038), (134, 16328), (157, 13936), (208, 10519), (268, 8164), (314, 6968), (536, 4082), (628, 3484), (871, 2512), (1072, 2041), (1256, 1742)]