199928704

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 425401200

約数和(自身を除く): 225472496

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 272, 278, 544, 556, 661, 1088, 1112, 1322, 2176, 2224, 2363, 2644, 4448, 4726, 5288, 8896, 9452, 10576, 11237, 17792, 18904, 21152, 22474, 37808, 42304, 44948, 75616, 84608, 89896, 91879, 151232, 179792, 183758, 302464, 359584, 367516, 719168, 735032, 1438336, 1470064, 1561943, 2940128, 3123886, 5880256, 6247772, 11760512, 12495544, 24991088, 49982176, 99964352, 199928704]

約数ペア:

[(1, 199928704), (2, 99964352), (4, 49982176), (8, 24991088), (16, 12495544), (17, 11760512), (32, 6247772), (34, 5880256), (64, 3123886), (68, 2940128), (128, 1561943), (136, 1470064), (139, 1438336), (272, 735032), (278, 719168), (544, 367516), (556, 359584), (661, 302464), (1088, 183758), (1112, 179792), (1322, 151232), (2176, 91879), (2224, 89896), (2363, 84608), (2644, 75616), (4448, 44948), (4726, 42304), (5288, 37808), (8896, 22474), (9452, 21152), (10576, 18904), (11237, 17792)]