213881808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{636553}}^1$

素因数の和:636571

約数の個数: 40

約数和(自身を含む): 631461568

約数和(自身を除く): 417579760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 636553, 1273106, 1909659, 2546212, 3819318, 4455871, 5092424, 7638636, 8911742, 10184848, 13367613, 15277272, 17823484, 26735226, 30554544, 35646968, 53470452, 71293936, 106940904, 213881808]

約数ペア:

[(1, 213881808), (2, 106940904), (3, 71293936), (4, 53470452), (6, 35646968), (7, 30554544), (8, 26735226), (12, 17823484), (14, 15277272), (16, 13367613), (21, 10184848), (24, 8911742), (28, 7638636), (42, 5092424), (48, 4455871), (56, 3819318), (84, 2546212), (112, 1909659), (168, 1273106), (336, 636553)]