393947008

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1156

約数の個数: 128

約数和(自身を含む): 998000640

約数和(自身を除く): 604053632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 992, 1091, 1456, 1612, 1664, 1736, 1984, 2182, 2821, 2912, 3224, 3472, 3968, 4364, 5642, 5824, 6448, 6944, 7637, 8728, 11284, 11648, 12896, 13888, 14183, 15274, 17456, 22568, 25792, 27776, 28366, 30548, 33821, 34912, 45136, 51584, 56732, 61096, 67642, 69824, 90272, 99281, 113464, 122192, 135284, 139648, 180544, 198562, 226928, 236747, 244384, 270568, 361088, 397124, 439673, 453856, 473494, 488768, 541136, 794248, 879346, 907712, 946988, 977536, 1082272, 1588496, 1758692, 1815424, 1893976, 2164544, 3077711, 3176992, 3517384, 3787952, 4329088, 6155422, 6353984, 7034768, 7575904, 12310844, 12707968, 14069536, 15151808, 24621688, 28139072, 30303616, 49243376, 56278144, 98486752, 196973504, 393947008]

約数ペア:

[(1, 393947008), (2, 196973504), (4, 98486752), (7, 56278144), (8, 49243376), (13, 30303616), (14, 28139072), (16, 24621688), (26, 15151808), (28, 14069536), (31, 12707968), (32, 12310844), (52, 7575904), (56, 7034768), (62, 6353984), (64, 6155422), (91, 4329088), (104, 3787952), (112, 3517384), (124, 3176992), (128, 3077711), (182, 2164544), (208, 1893976), (217, 1815424), (224, 1758692), (248, 1588496), (364, 1082272), (403, 977536), (416, 946988), (434, 907712), (448, 879346), (496, 794248), (728, 541136), (806, 488768), (832, 473494), (868, 453856), (896, 439673), (992, 397124), (1091, 361088), (1456, 270568), (1612, 244384), (1664, 236747), (1736, 226928), (1984, 198562), (2182, 180544), (2821, 139648), (2912, 135284), (3224, 122192), (3472, 113464), (3968, 99281), (4364, 90272), (5642, 69824), (5824, 67642), (6448, 61096), (6944, 56732), (7637, 51584), (8728, 45136), (11284, 34912), (11648, 33821), (12896, 30548), (13888, 28366), (14183, 27776), (15274, 25792), (17456, 22568)]