395317456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 845088768

約数和(自身を除く): 449771312

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 173, 248, 271, 272, 346, 496, 527, 542, 692, 1054, 1084, 1384, 2108, 2168, 2768, 2941, 4216, 4336, 4607, 5363, 5882, 8401, 8432, 9214, 10726, 11764, 16802, 18428, 21452, 23528, 33604, 36856, 42904, 46883, 47056, 67208, 73712, 85808, 91171, 93766, 134416, 142817, 182342, 187532, 285634, 364684, 375064, 571268, 729368, 750128, 797011, 1142536, 1453373, 1458736, 1594022, 2285072, 2906746, 3188044, 5813492, 6376088, 11626984, 12752176, 23253968, 24707341, 49414682, 98829364, 197658728, 395317456]

約数ペア:

[(1, 395317456), (2, 197658728), (4, 98829364), (8, 49414682), (16, 24707341), (17, 23253968), (31, 12752176), (34, 11626984), (62, 6376088), (68, 5813492), (124, 3188044), (136, 2906746), (173, 2285072), (248, 1594022), (271, 1458736), (272, 1453373), (346, 1142536), (496, 797011), (527, 750128), (542, 729368), (692, 571268), (1054, 375064), (1084, 364684), (1384, 285634), (2108, 187532), (2168, 182342), (2768, 142817), (2941, 134416), (4216, 93766), (4336, 91171), (4607, 85808), (5363, 73712), (5882, 67208), (8401, 47056), (8432, 46883), (9214, 42904), (10726, 36856), (11764, 33604), (16802, 23528), (18428, 21452)]