129217408

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1455

約数の個数: 64

約数和(自身を含む): 279108720

約数和(自身を除く): 149891312

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 272, 344, 544, 688, 731, 1088, 1376, 1381, 1462, 2176, 2752, 2762, 2924, 5504, 5524, 5848, 11048, 11696, 22096, 23392, 23477, 44192, 46784, 46954, 59383, 88384, 93568, 93908, 118766, 176768, 187816, 237532, 375632, 475064, 751264, 950128, 1009511, 1502528, 1900256, 2019022, 3005056, 3800512, 4038044, 7601024, 8076088, 16152176, 32304352, 64608704, 129217408]

約数ペア:

[(1, 129217408), (2, 64608704), (4, 32304352), (8, 16152176), (16, 8076088), (17, 7601024), (32, 4038044), (34, 3800512), (43, 3005056), (64, 2019022), (68, 1900256), (86, 1502528), (128, 1009511), (136, 950128), (172, 751264), (272, 475064), (344, 375632), (544, 237532), (688, 187816), (731, 176768), (1088, 118766), (1376, 93908), (1381, 93568), (1462, 88384), (2176, 59383), (2752, 46954), (2762, 46784), (2924, 44192), (5504, 23477), (5524, 23392), (5848, 22096), (11048, 11696)]