31212272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 80057376

約数和(自身を除く): 48845104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 97, 104, 112, 119, 136, 169, 182, 194, 208, 221, 238, 272, 338, 364, 388, 442, 476, 676, 679, 728, 776, 884, 952, 1183, 1261, 1352, 1358, 1456, 1547, 1552, 1649, 1768, 1904, 2366, 2522, 2704, 2716, 2873, 3094, 3298, 3536, 4732, 5044, 5432, 5746, 6188, 6596, 8827, 9464, 10088, 10864, 11492, 11543, 12376, 13192, 16393, 17654, 18928, 20111, 20176, 21437, 22984, 23086, 24752, 26384, 32786, 35308, 40222, 42874, 45968, 46172, 65572, 70616, 80444, 85748, 92344, 114751, 131144, 141232, 150059, 160888, 171496, 184688, 229502, 262288, 278681, 300118, 321776, 342992, 459004, 557362, 600236, 918008, 1114724, 1200472, 1836016, 1950767, 2229448, 2400944, 3901534, 4458896, 7803068, 15606136, 31212272]

約数ペア:

[(1, 31212272), (2, 15606136), (4, 7803068), (7, 4458896), (8, 3901534), (13, 2400944), (14, 2229448), (16, 1950767), (17, 1836016), (26, 1200472), (28, 1114724), (34, 918008), (52, 600236), (56, 557362), (68, 459004), (91, 342992), (97, 321776), (104, 300118), (112, 278681), (119, 262288), (136, 229502), (169, 184688), (182, 171496), (194, 160888), (208, 150059), (221, 141232), (238, 131144), (272, 114751), (338, 92344), (364, 85748), (388, 80444), (442, 70616), (476, 65572), (676, 46172), (679, 45968), (728, 42874), (776, 40222), (884, 35308), (952, 32786), (1183, 26384), (1261, 24752), (1352, 23086), (1358, 22984), (1456, 21437), (1547, 20176), (1552, 20111), (1649, 18928), (1768, 17654), (1904, 16393), (2366, 13192), (2522, 12376), (2704, 11543), (2716, 11492), (2873, 10864), (3094, 10088), (3298, 9464), (3536, 8827), (4732, 6596), (5044, 6188), (5432, 5746)]