28007028

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{15877}}^1$

素因数の和:15901

約数の個数: 54

約数和(自身を含む): 82359186

約数和(自身を除く): 54352158

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 15877, 31754, 47631, 63508, 95262, 111139, 142893, 190524, 222278, 285786, 333417, 444556, 571572, 666834, 777973, 1000251, 1333668, 1555946, 2000502, 2333919, 3111892, 4001004, 4667838, 7001757, 9335676, 14003514, 28007028]

約数ペア:

[(1, 28007028), (2, 14003514), (3, 9335676), (4, 7001757), (6, 4667838), (7, 4001004), (9, 3111892), (12, 2333919), (14, 2000502), (18, 1555946), (21, 1333668), (28, 1000251), (36, 777973), (42, 666834), (49, 571572), (63, 444556), (84, 333417), (98, 285786), (126, 222278), (147, 190524), (196, 142893), (252, 111139), (294, 95262), (441, 63508), (588, 47631), (882, 31754), (1764, 15877)]