31919104

素因数分解:

$2^{10}\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 88

約数和(自身を含む): 75133088

約数和(自身を除く): 43213984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 73, 112, 122, 128, 146, 224, 244, 256, 292, 427, 448, 488, 511, 512, 584, 854, 896, 976, 1022, 1024, 1168, 1708, 1792, 1952, 2044, 2336, 3416, 3584, 3904, 4088, 4453, 4672, 6832, 7168, 7808, 8176, 8906, 9344, 13664, 15616, 16352, 17812, 18688, 27328, 31171, 31232, 32704, 35624, 37376, 54656, 62342, 62464, 65408, 71248, 74752, 109312, 124684, 130816, 142496, 218624, 249368, 261632, 284992, 437248, 498736, 523264, 569984, 997472, 1139968, 1994944, 2279936, 3989888, 4559872, 7979776, 15959552, 31919104]

約数ペア:

[(1, 31919104), (2, 15959552), (4, 7979776), (7, 4559872), (8, 3989888), (14, 2279936), (16, 1994944), (28, 1139968), (32, 997472), (56, 569984), (61, 523264), (64, 498736), (73, 437248), (112, 284992), (122, 261632), (128, 249368), (146, 218624), (224, 142496), (244, 130816), (256, 124684), (292, 109312), (427, 74752), (448, 71248), (488, 65408), (511, 62464), (512, 62342), (584, 54656), (854, 37376), (896, 35624), (976, 32704), (1022, 31232), (1024, 31171), (1168, 27328), (1708, 18688), (1792, 17812), (1952, 16352), (2044, 15616), (2336, 13664), (3416, 9344), (3584, 8906), (3904, 8176), (4088, 7808), (4453, 7168), (4672, 6832)]