258585136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 568535040

約数和(自身を除く): 309949904

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 92, 124, 152, 184, 248, 304, 368, 437, 496, 589, 713, 874, 1178, 1193, 1426, 1748, 2356, 2386, 2852, 3496, 4712, 4772, 5704, 6992, 9424, 9544, 11408, 13547, 19088, 22667, 27094, 27439, 36983, 45334, 54188, 54878, 73966, 90668, 108376, 109756, 147932, 181336, 216752, 219512, 295864, 362672, 439024, 521341, 591728, 702677, 850609, 1042682, 1405354, 1701218, 2085364, 2810708, 3402436, 4170728, 5621416, 6804872, 8341456, 11242832, 13609744, 16161571, 32323142, 64646284, 129292568, 258585136]

約数ペア:

[(1, 258585136), (2, 129292568), (4, 64646284), (8, 32323142), (16, 16161571), (19, 13609744), (23, 11242832), (31, 8341456), (38, 6804872), (46, 5621416), (62, 4170728), (76, 3402436), (92, 2810708), (124, 2085364), (152, 1701218), (184, 1405354), (248, 1042682), (304, 850609), (368, 702677), (437, 591728), (496, 521341), (589, 439024), (713, 362672), (874, 295864), (1178, 219512), (1193, 216752), (1426, 181336), (1748, 147932), (2356, 109756), (2386, 108376), (2852, 90668), (3496, 73966), (4712, 54878), (4772, 54188), (5704, 45334), (6992, 36983), (9424, 27439), (9544, 27094), (11408, 22667), (13547, 19088)]