788558512

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 1778457600

約数和(自身を除く): 989899088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 239, 331, 356, 478, 623, 662, 712, 956, 1246, 1324, 1424, 1673, 1912, 2317, 2492, 2648, 3346, 3824, 4634, 4984, 5296, 6692, 9268, 9968, 13384, 18536, 21271, 26768, 29459, 37072, 42542, 58918, 79109, 85084, 117836, 148897, 158218, 170168, 206213, 235672, 297794, 316436, 340336, 412426, 471344, 553763, 595588, 632872, 824852, 1107526, 1191176, 1265744, 1649704, 2215052, 2382352, 3299408, 4430104, 7040701, 8860208, 14081402, 28162804, 49284907, 56325608, 98569814, 112651216, 197139628, 394279256, 788558512]

約数ペア:

[(1, 788558512), (2, 394279256), (4, 197139628), (7, 112651216), (8, 98569814), (14, 56325608), (16, 49284907), (28, 28162804), (56, 14081402), (89, 8860208), (112, 7040701), (178, 4430104), (239, 3299408), (331, 2382352), (356, 2215052), (478, 1649704), (623, 1265744), (662, 1191176), (712, 1107526), (956, 824852), (1246, 632872), (1324, 595588), (1424, 553763), (1673, 471344), (1912, 412426), (2317, 340336), (2492, 316436), (2648, 297794), (3346, 235672), (3824, 206213), (4634, 170168), (4984, 158218), (5296, 148897), (6692, 117836), (9268, 85084), (9968, 79109), (13384, 58918), (18536, 42542), (21271, 37072), (26768, 29459)]