397174928

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{2273}}^1$

素因数の和:2511

約数の個数: 40

約数和(自身を含む): 786149088

約数和(自身を除く): 388974160

約数列:

[1, 2, 4, 8, 16, 67, 134, 163, 268, 326, 536, 652, 1072, 1304, 2273, 2608, 4546, 9092, 10921, 18184, 21842, 36368, 43684, 87368, 152291, 174736, 304582, 370499, 609164, 740998, 1218328, 1481996, 2436656, 2963992, 5927984, 24823433, 49646866, 99293732, 198587464, 397174928]

約数ペア:

[(1, 397174928), (2, 198587464), (4, 99293732), (8, 49646866), (16, 24823433), (67, 5927984), (134, 2963992), (163, 2436656), (268, 1481996), (326, 1218328), (536, 740998), (652, 609164), (1072, 370499), (1304, 304582), (2273, 174736), (2608, 152291), (4546, 87368), (9092, 43684), (10921, 36368), (18184, 21842)]