1999559464

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{977}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 4575631680

約数和(自身を除く): 2576072216

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 227, 322, 392, 454, 644, 908, 977, 1127, 1288, 1589, 1816, 1954, 2254, 3178, 3908, 4508, 5221, 6356, 6839, 7816, 9016, 10442, 11123, 12712, 13678, 20884, 22246, 22471, 27356, 36547, 41768, 44492, 44942, 47873, 54712, 73094, 88984, 89884, 95746, 146188, 157297, 179768, 191492, 221779, 255829, 292376, 314594, 382984, 443558, 511658, 629188, 887116, 1023316, 1101079, 1258376, 1552453, 1774232, 2046632, 2202158, 3104906, 4404316, 5100917, 6209812, 8808632, 10201834, 10867171, 12419624, 20403668, 21734342, 35706419, 40807336, 43468684, 71412838, 86937368, 142825676, 249944933, 285651352, 499889866, 999779732, 1999559464]

約数ペア:

[(1, 1999559464), (2, 999779732), (4, 499889866), (7, 285651352), (8, 249944933), (14, 142825676), (23, 86937368), (28, 71412838), (46, 43468684), (49, 40807336), (56, 35706419), (92, 21734342), (98, 20403668), (161, 12419624), (184, 10867171), (196, 10201834), (227, 8808632), (322, 6209812), (392, 5100917), (454, 4404316), (644, 3104906), (908, 2202158), (977, 2046632), (1127, 1774232), (1288, 1552453), (1589, 1258376), (1816, 1101079), (1954, 1023316), (2254, 887116), (3178, 629188), (3908, 511658), (4508, 443558), (5221, 382984), (6356, 314594), (6839, 292376), (7816, 255829), (9016, 221779), (10442, 191492), (11123, 179768), (12712, 157297), (13678, 146188), (20884, 95746), (22246, 89884), (22471, 88984), (27356, 73094), (36547, 54712), (41768, 47873), (44492, 44942)]