221981994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3607}}^1$

素因数の和:3891

約数の個数: 48

約数和(自身を含む): 520071552

約数和(自身を除く): 298089558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 263, 526, 789, 1578, 2367, 3419, 3607, 4734, 6838, 7214, 10257, 10821, 20514, 21642, 30771, 32463, 46891, 61542, 64926, 93782, 140673, 281346, 422019, 844038, 948641, 1897282, 2845923, 5691846, 8537769, 12332333, 17075538, 24664666, 36996999, 73993998, 110990997, 221981994]

約数ペア:

[(1, 221981994), (2, 110990997), (3, 73993998), (6, 36996999), (9, 24664666), (13, 17075538), (18, 12332333), (26, 8537769), (39, 5691846), (78, 2845923), (117, 1897282), (234, 948641), (263, 844038), (526, 422019), (789, 281346), (1578, 140673), (2367, 93782), (3419, 64926), (3607, 61542), (4734, 46891), (6838, 32463), (7214, 30771), (10257, 21642), (10821, 20514)]