251884854

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15161}}^1$

素因数の和:15253

約数の個数: 48

約数和(自身を含む): 596048544

約数和(自身を除く): 344163690

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 15161, 16614, 30322, 45483, 90966, 136449, 197093, 272898, 394186, 591279, 1076431, 1182558, 1773837, 2152862, 3229293, 3547674, 6458586, 9687879, 13993603, 19375758, 27987206, 41980809, 83961618, 125942427, 251884854]

約数ペア:

[(1, 251884854), (2, 125942427), (3, 83961618), (6, 41980809), (9, 27987206), (13, 19375758), (18, 13993603), (26, 9687879), (39, 6458586), (71, 3547674), (78, 3229293), (117, 2152862), (142, 1773837), (213, 1182558), (234, 1076431), (426, 591279), (639, 394186), (923, 272898), (1278, 197093), (1846, 136449), (2769, 90966), (5538, 45483), (8307, 30322), (15161, 16614)]