638402928

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 1671205536

約数和(自身を除く): 1032802608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 197, 362, 373, 394, 543, 591, 724, 746, 788, 1086, 1119, 1182, 1448, 1492, 1576, 2172, 2238, 2364, 2896, 2984, 3152, 4344, 4476, 4728, 5968, 8688, 8952, 9456, 17904, 35657, 67513, 71314, 73481, 106971, 135026, 142628, 146962, 202539, 213942, 220443, 270052, 285256, 293924, 405078, 427884, 440886, 540104, 570512, 587848, 810156, 855768, 881772, 1080208, 1175696, 1620312, 1711536, 1763544, 3240624, 3527088, 13300061, 26600122, 39900183, 53200244, 79800366, 106400488, 159600732, 212800976, 319201464, 638402928]

約数ペア:

[(1, 638402928), (2, 319201464), (3, 212800976), (4, 159600732), (6, 106400488), (8, 79800366), (12, 53200244), (16, 39900183), (24, 26600122), (48, 13300061), (181, 3527088), (197, 3240624), (362, 1763544), (373, 1711536), (394, 1620312), (543, 1175696), (591, 1080208), (724, 881772), (746, 855768), (788, 810156), (1086, 587848), (1119, 570512), (1182, 540104), (1448, 440886), (1492, 427884), (1576, 405078), (2172, 293924), (2238, 285256), (2364, 270052), (2896, 220443), (2984, 213942), (3152, 202539), (4344, 146962), (4476, 142628), (4728, 135026), (5968, 106971), (8688, 73481), (8952, 71314), (9456, 67513), (17904, 35657)]