990916024

素因数分解:

$2^3\times 7^3\times {\mathrm{331}}^1\times {\mathrm{1091}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 2175264000

約数和(自身を除く): 1184347976

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 331, 343, 392, 662, 686, 1091, 1324, 1372, 2182, 2317, 2648, 2744, 4364, 4634, 7637, 8728, 9268, 15274, 16219, 18536, 30548, 32438, 53459, 61096, 64876, 106918, 113533, 129752, 213836, 227066, 361121, 374213, 427672, 454132, 722242, 748426, 908264, 1444484, 1496852, 2527847, 2888968, 2993704, 5055694, 10111388, 17694929, 20222776, 35389858, 70779716, 123864503, 141559432, 247729006, 495458012, 990916024]

約数ペア:

[(1, 990916024), (2, 495458012), (4, 247729006), (7, 141559432), (8, 123864503), (14, 70779716), (28, 35389858), (49, 20222776), (56, 17694929), (98, 10111388), (196, 5055694), (331, 2993704), (343, 2888968), (392, 2527847), (662, 1496852), (686, 1444484), (1091, 908264), (1324, 748426), (1372, 722242), (2182, 454132), (2317, 427672), (2648, 374213), (2744, 361121), (4364, 227066), (4634, 213836), (7637, 129752), (8728, 113533), (9268, 106918), (15274, 64876), (16219, 61096), (18536, 53459), (30548, 32438)]