81545996

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{13421}}^1$

素因数の和:13470

約数の個数: 36

約数和(自身を含む): 171372096

約数和(自身を除く): 89826100

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 13421, 26842, 53684, 93947, 187894, 375788, 416051, 657629, 832102, 1315258, 1664204, 2630516, 2912357, 5824714, 11649428, 20386499, 40772998, 81545996]

約数ペア:

[(1, 81545996), (2, 40772998), (4, 20386499), (7, 11649428), (14, 5824714), (28, 2912357), (31, 2630516), (49, 1664204), (62, 1315258), (98, 832102), (124, 657629), (196, 416051), (217, 375788), (434, 187894), (868, 93947), (1519, 53684), (3038, 26842), (6076, 13421)]