208318935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1$

素因数の和:3288

約数の個数: 64

約数和(自身を含む): 401863680

約数和(自身を除く): 193544745

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3229, 3795, 4301, 5865, 9687, 12903, 16145, 21505, 35519, 48435, 54893, 64515, 74267, 106557, 164679, 177595, 222801, 274465, 371335, 532785, 603823, 816937, 823395, 1114005, 1262539, 1811469, 2450811, 3019115, 3787617, 4084685, 6312695, 9057345, 12254055, 13887929, 18938085, 41663787, 69439645, 208318935]

約数ペア:

[(1, 208318935), (3, 69439645), (5, 41663787), (11, 18938085), (15, 13887929), (17, 12254055), (23, 9057345), (33, 6312695), (51, 4084685), (55, 3787617), (69, 3019115), (85, 2450811), (115, 1811469), (165, 1262539), (187, 1114005), (253, 823395), (255, 816937), (345, 603823), (391, 532785), (561, 371335), (759, 274465), (935, 222801), (1173, 177595), (1265, 164679), (1955, 106557), (2805, 74267), (3229, 64515), (3795, 54893), (4301, 48435), (5865, 35519), (9687, 21505), (12903, 16145)]