28254824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 61152000

約数和(自身を除く): 32897176

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 181, 247, 316, 362, 494, 632, 724, 988, 1027, 1448, 1501, 1976, 2054, 2353, 3002, 3439, 4108, 4706, 6004, 6878, 8216, 9412, 12008, 13756, 14299, 18824, 19513, 27512, 28598, 39026, 44707, 57196, 78052, 89414, 114392, 156104, 178828, 185887, 271681, 357656, 371774, 543362, 743548, 1086724, 1487096, 2173448, 3531853, 7063706, 14127412, 28254824]

約数ペア:

[(1, 28254824), (2, 14127412), (4, 7063706), (8, 3531853), (13, 2173448), (19, 1487096), (26, 1086724), (38, 743548), (52, 543362), (76, 371774), (79, 357656), (104, 271681), (152, 185887), (158, 178828), (181, 156104), (247, 114392), (316, 89414), (362, 78052), (494, 57196), (632, 44707), (724, 39026), (988, 28598), (1027, 27512), (1448, 19513), (1501, 18824), (1976, 14299), (2054, 13756), (2353, 12008), (3002, 9412), (3439, 8216), (4108, 6878), (4706, 6004)]