81401736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1877}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 220852800

約数和(自身を除く): 139451064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 556, 834, 1112, 1668, 1807, 1877, 3336, 3614, 3754, 5421, 5631, 7228, 7508, 10842, 11262, 14456, 15016, 21684, 22524, 24401, 43368, 45048, 48802, 73203, 97604, 146406, 195208, 260903, 292812, 521806, 585624, 782709, 1043612, 1565418, 2087224, 3130836, 3391739, 6261672, 6783478, 10175217, 13566956, 20350434, 27133912, 40700868, 81401736]

約数ペア:

[(1, 81401736), (2, 40700868), (3, 27133912), (4, 20350434), (6, 13566956), (8, 10175217), (12, 6783478), (13, 6261672), (24, 3391739), (26, 3130836), (39, 2087224), (52, 1565418), (78, 1043612), (104, 782709), (139, 585624), (156, 521806), (278, 292812), (312, 260903), (417, 195208), (556, 146406), (834, 97604), (1112, 73203), (1668, 48802), (1807, 45048), (1877, 43368), (3336, 24401), (3614, 22524), (3754, 21684), (5421, 15016), (5631, 14456), (7228, 11262), (7508, 10842)]