221308464

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{354661}}^1$

素因数の和:354685

約数の個数: 40

約数和(自身を含む): 615693232

約数和(自身を除く): 394384768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 354661, 709322, 1063983, 1418644, 2127966, 2837288, 4255932, 4610593, 5674576, 8511864, 9221186, 13831779, 17023728, 18442372, 27663558, 36884744, 55327116, 73769488, 110654232, 221308464]

約数ペア:

[(1, 221308464), (2, 110654232), (3, 73769488), (4, 55327116), (6, 36884744), (8, 27663558), (12, 18442372), (13, 17023728), (16, 13831779), (24, 9221186), (26, 8511864), (39, 5674576), (48, 4610593), (52, 4255932), (78, 2837288), (104, 2127966), (156, 1418644), (208, 1063983), (312, 709322), (624, 354661)]