203840128

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 428497920

約数和(自身を除く): 224657792

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 376, 496, 752, 992, 1093, 1457, 1504, 1984, 2186, 2914, 3008, 3968, 4372, 5828, 6016, 8744, 11656, 17488, 23312, 33883, 34976, 46624, 51371, 67766, 69952, 93248, 102742, 135532, 139904, 186496, 205484, 271064, 410968, 542128, 821936, 1084256, 1592501, 1643872, 2168512, 3185002, 3287744, 4337024, 6370004, 6575488, 12740008, 25480016, 50960032, 101920064, 203840128]

約数ペア:

[(1, 203840128), (2, 101920064), (4, 50960032), (8, 25480016), (16, 12740008), (31, 6575488), (32, 6370004), (47, 4337024), (62, 3287744), (64, 3185002), (94, 2168512), (124, 1643872), (128, 1592501), (188, 1084256), (248, 821936), (376, 542128), (496, 410968), (752, 271064), (992, 205484), (1093, 186496), (1457, 139904), (1504, 135532), (1984, 102742), (2186, 93248), (2914, 69952), (3008, 67766), (3968, 51371), (4372, 46624), (5828, 34976), (6016, 33883), (8744, 23312), (11656, 17488)]