403399328

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 816820200

約数和(自身を除く): 413420872

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 349, 656, 698, 881, 1312, 1396, 1762, 2792, 3524, 5584, 7048, 11168, 14096, 14309, 28192, 28618, 36121, 57236, 72242, 114472, 144484, 228944, 288968, 307469, 457888, 577936, 614938, 1155872, 1229876, 2459752, 4919504, 9839008, 12606229, 25212458, 50424916, 100849832, 201699664, 403399328]

約数ペア:

[(1, 403399328), (2, 201699664), (4, 100849832), (8, 50424916), (16, 25212458), (32, 12606229), (41, 9839008), (82, 4919504), (164, 2459752), (328, 1229876), (349, 1155872), (656, 614938), (698, 577936), (881, 457888), (1312, 307469), (1396, 288968), (1762, 228944), (2792, 144484), (3524, 114472), (5584, 72242), (7048, 57236), (11168, 36121), (14096, 28618), (14309, 28192)]