397777408

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2773

約数の個数: 80

約数和(自身を含む): 930815424

約数和(自身を除く): 533038016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 512, 574, 656, 896, 1148, 1312, 1792, 2296, 2624, 2707, 3584, 4592, 5248, 5414, 9184, 10496, 10828, 18368, 18949, 20992, 21656, 36736, 37898, 43312, 73472, 75796, 86624, 110987, 146944, 151592, 173248, 221974, 303184, 346496, 443948, 606368, 692992, 776909, 887896, 1212736, 1385984, 1553818, 1775792, 2425472, 3107636, 3551584, 4850944, 6215272, 7103168, 9701888, 12430544, 14206336, 24861088, 28412672, 49722176, 56825344, 99444352, 198888704, 397777408]

約数ペア:

[(1, 397777408), (2, 198888704), (4, 99444352), (7, 56825344), (8, 49722176), (14, 28412672), (16, 24861088), (28, 14206336), (32, 12430544), (41, 9701888), (56, 7103168), (64, 6215272), (82, 4850944), (112, 3551584), (128, 3107636), (164, 2425472), (224, 1775792), (256, 1553818), (287, 1385984), (328, 1212736), (448, 887896), (512, 776909), (574, 692992), (656, 606368), (896, 443948), (1148, 346496), (1312, 303184), (1792, 221974), (2296, 173248), (2624, 151592), (2707, 146944), (3584, 110987), (4592, 86624), (5248, 75796), (5414, 73472), (9184, 43312), (10496, 37898), (10828, 36736), (18368, 21656), (18949, 20992)]