16454912

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 36792000

約数和(自身を除く): 20337088

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 199, 256, 272, 304, 323, 398, 544, 608, 646, 796, 1088, 1216, 1292, 1592, 2176, 2432, 2584, 3184, 3383, 3781, 4352, 4864, 5168, 6368, 6766, 7562, 10336, 12736, 13532, 15124, 20672, 25472, 27064, 30248, 41344, 50944, 54128, 60496, 64277, 82688, 108256, 120992, 128554, 216512, 241984, 257108, 433024, 483968, 514216, 866048, 967936, 1028432, 2056864, 4113728, 8227456, 16454912]

約数ペア:

[(1, 16454912), (2, 8227456), (4, 4113728), (8, 2056864), (16, 1028432), (17, 967936), (19, 866048), (32, 514216), (34, 483968), (38, 433024), (64, 257108), (68, 241984), (76, 216512), (128, 128554), (136, 120992), (152, 108256), (199, 82688), (256, 64277), (272, 60496), (304, 54128), (323, 50944), (398, 41344), (544, 30248), (608, 27064), (646, 25472), (796, 20672), (1088, 15124), (1216, 13532), (1292, 12736), (1592, 10336), (2176, 7562), (2432, 6766), (2584, 6368), (3184, 5168), (3383, 4864), (3781, 4352)]