81802056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 245145600

約数和(自身を除く): 163343544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 113, 124, 139, 168, 186, 217, 226, 248, 278, 339, 372, 417, 434, 452, 556, 651, 678, 744, 791, 834, 868, 904, 973, 1112, 1302, 1356, 1582, 1668, 1736, 1946, 2373, 2604, 2712, 2919, 3164, 3336, 3503, 3892, 4309, 4746, 5208, 5838, 6328, 7006, 7784, 8618, 9492, 10509, 11676, 12927, 14012, 15707, 17236, 18984, 21018, 23352, 24521, 25854, 28024, 30163, 31414, 34472, 42036, 47121, 49042, 51708, 60326, 62828, 73563, 84072, 90489, 94242, 98084, 103416, 109949, 120652, 125656, 147126, 180978, 188484, 196168, 219898, 241304, 294252, 329847, 361956, 376968, 439796, 486917, 588504, 659694, 723912, 879592, 973834, 1319388, 1460751, 1947668, 2638776, 2921502, 3408419, 3895336, 5843004, 6816838, 10225257, 11686008, 13633676, 20450514, 27267352, 40901028, 81802056]

約数ペア:

[(1, 81802056), (2, 40901028), (3, 27267352), (4, 20450514), (6, 13633676), (7, 11686008), (8, 10225257), (12, 6816838), (14, 5843004), (21, 3895336), (24, 3408419), (28, 2921502), (31, 2638776), (42, 1947668), (56, 1460751), (62, 1319388), (84, 973834), (93, 879592), (113, 723912), (124, 659694), (139, 588504), (168, 486917), (186, 439796), (217, 376968), (226, 361956), (248, 329847), (278, 294252), (339, 241304), (372, 219898), (417, 196168), (434, 188484), (452, 180978), (556, 147126), (651, 125656), (678, 120652), (744, 109949), (791, 103416), (834, 98084), (868, 94242), (904, 90489), (973, 84072), (1112, 73563), (1302, 62828), (1356, 60326), (1582, 51708), (1668, 49042), (1736, 47121), (1946, 42036), (2373, 34472), (2604, 31414), (2712, 30163), (2919, 28024), (3164, 25854), (3336, 24521), (3503, 23352), (3892, 21018), (4309, 18984), (4746, 17236), (5208, 15707), (5838, 14012), (6328, 12927), (7006, 11676), (7784, 10509), (8618, 9492)]