1557918464

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 3189866400

約数和(自身を除く): 1631947936

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 199, 212, 256, 398, 424, 577, 796, 848, 1154, 1592, 1696, 2308, 3184, 3392, 4616, 6368, 6784, 9232, 10547, 12736, 13568, 18464, 21094, 25472, 30581, 36928, 42188, 50944, 61162, 73856, 84376, 114823, 122324, 147712, 168752, 229646, 244648, 337504, 459292, 489296, 675008, 918584, 978592, 1350016, 1837168, 1957184, 2700032, 3674336, 3914368, 6085619, 7348672, 7828736, 12171238, 14697344, 24342476, 29394688, 48684952, 97369904, 194739808, 389479616, 778959232, 1557918464]

約数ペア:

[(1, 1557918464), (2, 778959232), (4, 389479616), (8, 194739808), (16, 97369904), (32, 48684952), (53, 29394688), (64, 24342476), (106, 14697344), (128, 12171238), (199, 7828736), (212, 7348672), (256, 6085619), (398, 3914368), (424, 3674336), (577, 2700032), (796, 1957184), (848, 1837168), (1154, 1350016), (1592, 978592), (1696, 918584), (2308, 675008), (3184, 489296), (3392, 459292), (4616, 337504), (6368, 244648), (6784, 229646), (9232, 168752), (10547, 147712), (12736, 122324), (13568, 114823), (18464, 84376), (21094, 73856), (25472, 61162), (30581, 50944), (36928, 42188)]