81488948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28979}}^1$

素因数の和:29039

約数の個数: 24

約数和(自身を含む): 154173600

約数和(自身を除く): 72684652

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 28979, 57958, 115916, 550601, 1072223, 1101202, 2144446, 2202404, 4288892, 20372237, 40744474, 81488948]

約数ペア:

[(1, 81488948), (2, 40744474), (4, 20372237), (19, 4288892), (37, 2202404), (38, 2144446), (74, 1101202), (76, 1072223), (148, 550601), (703, 115916), (1406, 57958), (2812, 28979)]