81785172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1543}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 218580992

約数和(自身を除く): 136795820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 631, 1262, 1543, 1893, 2524, 3086, 3786, 4417, 4629, 6172, 7572, 8834, 9258, 10801, 13251, 17668, 18516, 21602, 26502, 32403, 43204, 53004, 64806, 129612, 973633, 1947266, 2920899, 3894532, 5841798, 6815431, 11683596, 13630862, 20446293, 27261724, 40892586, 81785172]

約数ペア:

[(1, 81785172), (2, 40892586), (3, 27261724), (4, 20446293), (6, 13630862), (7, 11683596), (12, 6815431), (14, 5841798), (21, 3894532), (28, 2920899), (42, 1947266), (84, 973633), (631, 129612), (1262, 64806), (1543, 53004), (1893, 43204), (2524, 32403), (3086, 26502), (3786, 21602), (4417, 18516), (4629, 17668), (6172, 13251), (7572, 10801), (8834, 9258)]