404886784

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 842062592

約数和(自身を除く): 437175808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 163, 248, 256, 313, 326, 496, 626, 652, 992, 1252, 1304, 1984, 2504, 2608, 3968, 5008, 5053, 5216, 7936, 9703, 10016, 10106, 10432, 19406, 20032, 20212, 20864, 38812, 40064, 40424, 41728, 51019, 77624, 80128, 80848, 102038, 155248, 161696, 204076, 310496, 323392, 408152, 620992, 646784, 816304, 1241984, 1293568, 1581589, 1632608, 2483968, 3163178, 3265216, 6326356, 6530432, 12652712, 13060864, 25305424, 50610848, 101221696, 202443392, 404886784]

約数ペア:

[(1, 404886784), (2, 202443392), (4, 101221696), (8, 50610848), (16, 25305424), (31, 13060864), (32, 12652712), (62, 6530432), (64, 6326356), (124, 3265216), (128, 3163178), (163, 2483968), (248, 1632608), (256, 1581589), (313, 1293568), (326, 1241984), (496, 816304), (626, 646784), (652, 620992), (992, 408152), (1252, 323392), (1304, 310496), (1984, 204076), (2504, 161696), (2608, 155248), (3968, 102038), (5008, 80848), (5053, 80128), (5216, 77624), (7936, 51019), (9703, 41728), (10016, 40424), (10106, 40064), (10432, 38812), (19406, 20864), (20032, 20212)]