81253308

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 195310080

約数和(自身を除く): 114056772

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 239, 246, 478, 492, 691, 717, 956, 1382, 1434, 2073, 2764, 2868, 4146, 8292, 9799, 19598, 28331, 29397, 39196, 56662, 58794, 84993, 113324, 117588, 165149, 169986, 330298, 339972, 495447, 660596, 990894, 1981788, 6771109, 13542218, 20313327, 27084436, 40626654, 81253308]

約数ペア:

[(1, 81253308), (2, 40626654), (3, 27084436), (4, 20313327), (6, 13542218), (12, 6771109), (41, 1981788), (82, 990894), (123, 660596), (164, 495447), (239, 339972), (246, 330298), (478, 169986), (492, 165149), (691, 117588), (717, 113324), (956, 84993), (1382, 58794), (1434, 56662), (2073, 39196), (2764, 29397), (2868, 28331), (4146, 19598), (8292, 9799)]