251551728

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 728765856

約数和(自身を除く): 477214128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 137, 144, 164, 246, 274, 311, 328, 369, 411, 492, 548, 622, 656, 738, 822, 933, 984, 1096, 1233, 1244, 1476, 1644, 1866, 1968, 2192, 2466, 2488, 2799, 2952, 3288, 3732, 4932, 4976, 5598, 5617, 5904, 6576, 7464, 9864, 11196, 11234, 12751, 14928, 16851, 19728, 22392, 22468, 25502, 33702, 38253, 42607, 44784, 44936, 50553, 51004, 67404, 76506, 85214, 89872, 101106, 102008, 114759, 127821, 134808, 153012, 170428, 202212, 204016, 229518, 255642, 269616, 306024, 340856, 383463, 404424, 459036, 511284, 612048, 681712, 766926, 808848, 918072, 1022568, 1533852, 1746887, 1836144, 2045136, 3067704, 3493774, 5240661, 6135408, 6987548, 10481322, 13975096, 15721983, 20962644, 27950192, 31443966, 41925288, 62887932, 83850576, 125775864, 251551728]

約数ペア:

[(1, 251551728), (2, 125775864), (3, 83850576), (4, 62887932), (6, 41925288), (8, 31443966), (9, 27950192), (12, 20962644), (16, 15721983), (18, 13975096), (24, 10481322), (36, 6987548), (41, 6135408), (48, 5240661), (72, 3493774), (82, 3067704), (123, 2045136), (137, 1836144), (144, 1746887), (164, 1533852), (246, 1022568), (274, 918072), (311, 808848), (328, 766926), (369, 681712), (411, 612048), (492, 511284), (548, 459036), (622, 404424), (656, 383463), (738, 340856), (822, 306024), (933, 269616), (984, 255642), (1096, 229518), (1233, 204016), (1244, 202212), (1476, 170428), (1644, 153012), (1866, 134808), (1968, 127821), (2192, 114759), (2466, 102008), (2488, 101106), (2799, 89872), (2952, 85214), (3288, 76506), (3732, 67404), (4932, 51004), (4976, 50553), (5598, 44936), (5617, 44784), (5904, 42607), (6576, 38253), (7464, 33702), (9864, 25502), (11196, 22468), (11234, 22392), (12751, 19728), (14928, 16851)]