66977690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9721}}^1$

素因数の和:9794

約数の個数: 32

約数和(自身を含む): 132296976

約数和(自身を除く): 65319286

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 9721, 19442, 48605, 97210, 126373, 252746, 515213, 631865, 1030426, 1263730, 2576065, 5152130, 6697769, 13395538, 33488845, 66977690]

約数ペア:

[(1, 66977690), (2, 33488845), (5, 13395538), (10, 6697769), (13, 5152130), (26, 2576065), (53, 1263730), (65, 1030426), (106, 631865), (130, 515213), (265, 252746), (530, 126373), (689, 97210), (1378, 48605), (3445, 19442), (6890, 9721)]