1398966016

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25183}}^1$

素因数の和:25237

約数の個数: 72

約数和(自身を含む): 3294470144

約数和(自身を除く): 1895504128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 25183, 27776, 50366, 55552, 100732, 176281, 201464, 352562, 402928, 705124, 780673, 805856, 1410248, 1561346, 1611712, 2820496, 3122692, 3223424, 5464711, 5640992, 6245384, 6446848, 10929422, 11281984, 12490768, 21858844, 22563968, 24981536, 43717688, 45127936, 49963072, 87435376, 99926144, 174870752, 199852288, 349741504, 699483008, 1398966016]

約数ペア:

[(1, 1398966016), (2, 699483008), (4, 349741504), (7, 199852288), (8, 174870752), (14, 99926144), (16, 87435376), (28, 49963072), (31, 45127936), (32, 43717688), (56, 24981536), (62, 22563968), (64, 21858844), (112, 12490768), (124, 11281984), (128, 10929422), (217, 6446848), (224, 6245384), (248, 5640992), (256, 5464711), (434, 3223424), (448, 3122692), (496, 2820496), (868, 1611712), (896, 1561346), (992, 1410248), (1736, 805856), (1792, 780673), (1984, 705124), (3472, 402928), (3968, 352562), (6944, 201464), (7936, 176281), (13888, 100732), (25183, 55552), (27776, 50366)]