216371456

素因数分解:

$2^8\times 7^2\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 514499328

約数和(自身を除く): 298127872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 128, 188, 196, 224, 256, 329, 367, 376, 392, 448, 658, 734, 752, 784, 896, 1316, 1468, 1504, 1568, 1792, 2303, 2569, 2632, 2936, 3008, 3136, 4606, 5138, 5264, 5872, 6016, 6272, 9212, 10276, 10528, 11744, 12032, 12544, 17249, 17983, 18424, 20552, 21056, 23488, 34498, 35966, 36848, 41104, 42112, 46976, 68996, 71932, 73696, 82208, 84224, 93952, 120743, 137992, 143864, 147392, 164416, 241486, 275984, 287728, 294784, 328832, 482972, 551968, 575456, 589568, 657664, 845201, 965944, 1103936, 1150912, 1690402, 1931888, 2207872, 2301824, 3380804, 3863776, 4415744, 4603648, 6761608, 7727552, 13523216, 15455104, 27046432, 30910208, 54092864, 108185728, 216371456]

約数ペア:

[(1, 216371456), (2, 108185728), (4, 54092864), (7, 30910208), (8, 27046432), (14, 15455104), (16, 13523216), (28, 7727552), (32, 6761608), (47, 4603648), (49, 4415744), (56, 3863776), (64, 3380804), (94, 2301824), (98, 2207872), (112, 1931888), (128, 1690402), (188, 1150912), (196, 1103936), (224, 965944), (256, 845201), (329, 657664), (367, 589568), (376, 575456), (392, 551968), (448, 482972), (658, 328832), (734, 294784), (752, 287728), (784, 275984), (896, 241486), (1316, 164416), (1468, 147392), (1504, 143864), (1568, 137992), (1792, 120743), (2303, 93952), (2569, 84224), (2632, 82208), (2936, 73696), (3008, 71932), (3136, 68996), (4606, 46976), (5138, 42112), (5264, 41104), (5872, 36848), (6016, 35966), (6272, 34498), (9212, 23488), (10276, 21056), (10528, 20552), (11744, 18424), (12032, 17983), (12544, 17249)]