28921824

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 82791072

約数和(自身を除く): 53869248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 431, 466, 699, 862, 932, 1293, 1398, 1724, 1864, 2097, 2586, 2796, 3448, 3728, 3879, 4194, 5172, 5592, 6896, 7456, 7758, 8388, 10344, 11184, 13792, 15516, 16776, 20688, 22368, 31032, 33552, 41376, 62064, 67104, 100423, 124128, 200846, 301269, 401692, 602538, 803384, 903807, 1205076, 1606768, 1807614, 2410152, 3213536, 3615228, 4820304, 7230456, 9640608, 14460912, 28921824]

約数ペア:

[(1, 28921824), (2, 14460912), (3, 9640608), (4, 7230456), (6, 4820304), (8, 3615228), (9, 3213536), (12, 2410152), (16, 1807614), (18, 1606768), (24, 1205076), (32, 903807), (36, 803384), (48, 602538), (72, 401692), (96, 301269), (144, 200846), (233, 124128), (288, 100423), (431, 67104), (466, 62064), (699, 41376), (862, 33552), (932, 31032), (1293, 22368), (1398, 20688), (1724, 16776), (1864, 15516), (2097, 13792), (2586, 11184), (2796, 10344), (3448, 8388), (3728, 7758), (3879, 7456), (4194, 6896), (5172, 5592)]