221465368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1801}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 437886000

約数和(自身を除く): 216420632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 809, 1618, 1801, 3236, 3602, 6472, 7204, 14408, 15371, 30742, 34219, 61484, 68438, 122968, 136876, 273752, 1457009, 2914018, 5828036, 11656072, 27683171, 55366342, 110732684, 221465368]

約数ペア:

[(1, 221465368), (2, 110732684), (4, 55366342), (8, 27683171), (19, 11656072), (38, 5828036), (76, 2914018), (152, 1457009), (809, 273752), (1618, 136876), (1801, 122968), (3236, 68438), (3602, 61484), (6472, 34219), (7204, 30742), (14408, 15371)]