217540908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 644847840

約数和(自身を除く): 427306932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 37, 39, 51, 52, 68, 74, 78, 102, 111, 117, 148, 153, 156, 204, 221, 222, 234, 306, 333, 442, 444, 468, 481, 612, 629, 663, 666, 739, 884, 962, 1258, 1326, 1332, 1443, 1478, 1887, 1924, 1989, 2217, 2516, 2652, 2886, 2956, 3774, 3978, 4329, 4434, 5661, 5772, 6651, 7548, 7956, 8177, 8658, 8868, 9607, 11322, 12563, 13302, 16354, 17316, 19214, 22644, 24531, 25126, 26604, 27343, 28821, 32708, 37689, 38428, 49062, 50252, 54686, 57642, 73593, 75378, 82029, 86463, 98124, 109372, 113067, 115284, 147186, 150756, 163319, 164058, 172926, 226134, 246087, 294372, 326638, 328116, 345852, 355459, 452268, 464831, 489957, 492174, 653276, 710918, 929662, 979914, 984348, 1066377, 1394493, 1421836, 1469871, 1859324, 1959828, 2132754, 2788986, 2939742, 3199131, 4183479, 4265508, 5577972, 5879484, 6042803, 6398262, 8366958, 12085606, 12796524, 16733916, 18128409, 24171212, 36256818, 54385227, 72513636, 108770454, 217540908]

約数ペア:

[(1, 217540908), (2, 108770454), (3, 72513636), (4, 54385227), (6, 36256818), (9, 24171212), (12, 18128409), (13, 16733916), (17, 12796524), (18, 12085606), (26, 8366958), (34, 6398262), (36, 6042803), (37, 5879484), (39, 5577972), (51, 4265508), (52, 4183479), (68, 3199131), (74, 2939742), (78, 2788986), (102, 2132754), (111, 1959828), (117, 1859324), (148, 1469871), (153, 1421836), (156, 1394493), (204, 1066377), (221, 984348), (222, 979914), (234, 929662), (306, 710918), (333, 653276), (442, 492174), (444, 489957), (468, 464831), (481, 452268), (612, 355459), (629, 345852), (663, 328116), (666, 326638), (739, 294372), (884, 246087), (962, 226134), (1258, 172926), (1326, 164058), (1332, 163319), (1443, 150756), (1478, 147186), (1887, 115284), (1924, 113067), (1989, 109372), (2217, 98124), (2516, 86463), (2652, 82029), (2886, 75378), (2956, 73593), (3774, 57642), (3978, 54686), (4329, 50252), (4434, 49062), (5661, 38428), (5772, 37689), (6651, 32708), (7548, 28821), (7956, 27343), (8177, 26604), (8658, 25126), (8868, 24531), (9607, 22644), (11322, 19214), (12563, 17316), (13302, 16354)]