199804672

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 436205952

約数和(自身を除く): 236401280

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1481, 1984, 2108, 2176, 2962, 3968, 4216, 4352, 5924, 7936, 8432, 11848, 16864, 23696, 25177, 33728, 45911, 47392, 50354, 67456, 91822, 94784, 100708, 134912, 183644, 189568, 201416, 367288, 379136, 402832, 734576, 780487, 805664, 1469152, 1560974, 1611328, 2938304, 3121948, 3222656, 5876608, 6243896, 6445312, 11753216, 12487792, 24975584, 49951168, 99902336, 199804672]

約数ペア:

[(1, 199804672), (2, 99902336), (4, 49951168), (8, 24975584), (16, 12487792), (17, 11753216), (31, 6445312), (32, 6243896), (34, 5876608), (62, 3222656), (64, 3121948), (68, 2938304), (124, 1611328), (128, 1560974), (136, 1469152), (248, 805664), (256, 780487), (272, 734576), (496, 402832), (527, 379136), (544, 367288), (992, 201416), (1054, 189568), (1088, 183644), (1481, 134912), (1984, 100708), (2108, 94784), (2176, 91822), (2962, 67456), (3968, 50354), (4216, 47392), (4352, 45911), (5924, 33728), (7936, 25177), (8432, 23696), (11848, 16864)]