131561808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{391553}}^1$

素因数の和:391571

約数の個数: 40

約数和(自身を含む): 388421568

約数和(自身を除く): 256859760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 391553, 783106, 1174659, 1566212, 2349318, 2740871, 3132424, 4698636, 5481742, 6264848, 8222613, 9397272, 10963484, 16445226, 18794544, 21926968, 32890452, 43853936, 65780904, 131561808]

約数ペア:

[(1, 131561808), (2, 65780904), (3, 43853936), (4, 32890452), (6, 21926968), (7, 18794544), (8, 16445226), (12, 10963484), (14, 9397272), (16, 8222613), (21, 6264848), (24, 5481742), (28, 4698636), (42, 3132424), (48, 2740871), (56, 2349318), (84, 1566212), (112, 1174659), (168, 783106), (336, 391553)]