27984944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 59131632

約数和(自身を除く): 31146688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 1621, 2158, 3242, 4316, 6484, 8632, 12968, 17264, 21073, 25936, 42146, 84292, 134543, 168584, 269086, 337168, 538172, 1076344, 1749059, 2152688, 3498118, 6996236, 13992472, 27984944]

約数ペア:

[(1, 27984944), (2, 13992472), (4, 6996236), (8, 3498118), (13, 2152688), (16, 1749059), (26, 1076344), (52, 538172), (83, 337168), (104, 269086), (166, 168584), (208, 134543), (332, 84292), (664, 42146), (1079, 25936), (1328, 21073), (1621, 17264), (2158, 12968), (3242, 8632), (4316, 6484)]