81858992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4113

約数の個数: 40

約数和(自身を含む): 169483200

約数和(自身を除く): 87624208

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 4019, 5092, 8038, 10184, 16076, 20368, 32152, 64304, 76361, 152722, 269273, 305444, 538546, 610888, 1077092, 1221776, 2154184, 4308368, 5116187, 10232374, 20464748, 40929496, 81858992]

約数ペア:

[(1, 81858992), (2, 40929496), (4, 20464748), (8, 10232374), (16, 5116187), (19, 4308368), (38, 2154184), (67, 1221776), (76, 1077092), (134, 610888), (152, 538546), (268, 305444), (304, 269273), (536, 152722), (1072, 76361), (1273, 64304), (2546, 32152), (4019, 20368), (5092, 16076), (8038, 10184)]