520157988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55787}}^1$

素因数の和:55841

約数の個数: 72

約数和(自身を含む): 1543319232

約数和(自身を除く): 1023161244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 9324, 55787, 111574, 167361, 223148, 334722, 390509, 502083, 669444, 781018, 1004166, 1171527, 1562036, 2008332, 2064119, 2343054, 3514581, 4128238, 4686108, 6192357, 7029162, 8256476, 12384714, 14058324, 14448833, 18577071, 24769428, 28897666, 37154142, 43346499, 57795332, 74308284, 86692998, 130039497, 173385996, 260078994, 520157988]

約数ペア:

[(1, 520157988), (2, 260078994), (3, 173385996), (4, 130039497), (6, 86692998), (7, 74308284), (9, 57795332), (12, 43346499), (14, 37154142), (18, 28897666), (21, 24769428), (28, 18577071), (36, 14448833), (37, 14058324), (42, 12384714), (63, 8256476), (74, 7029162), (84, 6192357), (111, 4686108), (126, 4128238), (148, 3514581), (222, 2343054), (252, 2064119), (259, 2008332), (333, 1562036), (444, 1171527), (518, 1004166), (666, 781018), (777, 669444), (1036, 502083), (1332, 390509), (1554, 334722), (2331, 223148), (3108, 167361), (4662, 111574), (9324, 55787)]