26780451968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647747}}^1$

素因数の和:647797

約数の個数: 64

約数和(自身を含む): 59463266400

約数和(自身を除く): 32682814432

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2176, 2432, 2584, 5168, 10336, 20672, 41344, 647747, 1295494, 2590988, 5181976, 10363952, 11011699, 12307193, 20727904, 22023398, 24614386, 41455808, 44046796, 49228772, 82911616, 88093592, 98457544, 176187184, 196915088, 209222281, 352374368, 393830176, 418444562, 704748736, 787660352, 836889124, 1409497472, 1575320704, 1673778248, 3347556496, 6695112992, 13390225984, 26780451968]

約数ペア:

[(1, 26780451968), (2, 13390225984), (4, 6695112992), (8, 3347556496), (16, 1673778248), (17, 1575320704), (19, 1409497472), (32, 836889124), (34, 787660352), (38, 704748736), (64, 418444562), (68, 393830176), (76, 352374368), (128, 209222281), (136, 196915088), (152, 176187184), (272, 98457544), (304, 88093592), (323, 82911616), (544, 49228772), (608, 44046796), (646, 41455808), (1088, 24614386), (1216, 22023398), (1292, 20727904), (2176, 12307193), (2432, 11011699), (2584, 10363952), (5168, 5181976), (10336, 2590988), (20672, 1295494), (41344, 647747)]