28156184

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 63744000

約数和(自身を除く): 35587816

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 331, 343, 392, 434, 662, 686, 868, 1324, 1372, 1519, 1736, 2317, 2648, 2744, 3038, 4634, 6076, 9268, 10261, 10633, 12152, 16219, 18536, 20522, 21266, 32438, 41044, 42532, 64876, 71827, 82088, 85064, 113533, 129752, 143654, 227066, 287308, 454132, 502789, 574616, 908264, 1005578, 2011156, 3519523, 4022312, 7039046, 14078092, 28156184]

約数ペア:

[(1, 28156184), (2, 14078092), (4, 7039046), (7, 4022312), (8, 3519523), (14, 2011156), (28, 1005578), (31, 908264), (49, 574616), (56, 502789), (62, 454132), (98, 287308), (124, 227066), (196, 143654), (217, 129752), (248, 113533), (331, 85064), (343, 82088), (392, 71827), (434, 64876), (662, 42532), (686, 41044), (868, 32438), (1324, 21266), (1372, 20522), (1519, 18536), (1736, 16219), (2317, 12152), (2648, 10633), (2744, 10261), (3038, 9268), (4634, 6076)]