90804992

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 189675024

約数和(自身を除く): 98870032

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 113, 128, 146, 172, 226, 256, 292, 344, 452, 584, 688, 904, 1168, 1376, 1808, 2336, 2752, 3139, 3616, 4672, 4859, 5504, 6278, 7232, 8249, 9344, 9718, 11008, 12556, 14464, 16498, 18688, 19436, 25112, 28928, 32996, 38872, 50224, 65992, 77744, 100448, 131984, 155488, 200896, 263968, 310976, 354707, 401792, 527936, 621952, 709414, 803584, 1055872, 1243904, 1418828, 2111744, 2837656, 5675312, 11350624, 22701248, 45402496, 90804992]

約数ペア:

[(1, 90804992), (2, 45402496), (4, 22701248), (8, 11350624), (16, 5675312), (32, 2837656), (43, 2111744), (64, 1418828), (73, 1243904), (86, 1055872), (113, 803584), (128, 709414), (146, 621952), (172, 527936), (226, 401792), (256, 354707), (292, 310976), (344, 263968), (452, 200896), (584, 155488), (688, 131984), (904, 100448), (1168, 77744), (1376, 65992), (1808, 50224), (2336, 38872), (2752, 32996), (3139, 28928), (3616, 25112), (4672, 19436), (4859, 18688), (5504, 16498), (6278, 14464), (7232, 12556), (8249, 11008), (9344, 9718)]