81492005

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 114960384

約数和(自身を除く): 33468379

約数列:

[1, 5, 7, 35, 53, 197, 223, 265, 371, 985, 1115, 1379, 1561, 1855, 6895, 7805, 10441, 11819, 43931, 52205, 59095, 73087, 82733, 219655, 307517, 365435, 413665, 1537585, 2328343, 11641715, 16298401, 81492005]

約数ペア:

[(1, 81492005), (5, 16298401), (7, 11641715), (35, 2328343), (53, 1537585), (197, 413665), (223, 365435), (265, 307517), (371, 219655), (985, 82733), (1115, 73087), (1379, 59095), (1561, 52205), (1855, 43931), (6895, 11819), (7805, 10441)]