9990904

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 23904000

約数和(自身を除く): 13913096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 331, 343, 392, 539, 616, 662, 686, 1078, 1324, 1372, 2156, 2317, 2648, 2744, 3641, 3773, 4312, 4634, 7282, 7546, 9268, 14564, 15092, 16219, 18536, 25487, 29128, 30184, 32438, 50974, 64876, 101948, 113533, 129752, 178409, 203896, 227066, 356818, 454132, 713636, 908264, 1248863, 1427272, 2497726, 4995452, 9990904]

約数ペア:

[(1, 9990904), (2, 4995452), (4, 2497726), (7, 1427272), (8, 1248863), (11, 908264), (14, 713636), (22, 454132), (28, 356818), (44, 227066), (49, 203896), (56, 178409), (77, 129752), (88, 113533), (98, 101948), (154, 64876), (196, 50974), (308, 32438), (331, 30184), (343, 29128), (392, 25487), (539, 18536), (616, 16219), (662, 15092), (686, 14564), (1078, 9268), (1324, 7546), (1372, 7282), (2156, 4634), (2317, 4312), (2648, 3773), (2744, 3641)]