251642888

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 559319040

約数和(自身を除く): 307676152

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 67, 94, 134, 188, 268, 329, 376, 469, 536, 658, 938, 1316, 1427, 1876, 2632, 2854, 3149, 3752, 5708, 6298, 9989, 11416, 12596, 19978, 22043, 25192, 39956, 44086, 67069, 79912, 88172, 95609, 134138, 176344, 191218, 268276, 382436, 469483, 536552, 669263, 764872, 938966, 1338526, 1877932, 2677052, 3755864, 4493623, 5354104, 8987246, 17974492, 31455361, 35948984, 62910722, 125821444, 251642888]

約数ペア:

[(1, 251642888), (2, 125821444), (4, 62910722), (7, 35948984), (8, 31455361), (14, 17974492), (28, 8987246), (47, 5354104), (56, 4493623), (67, 3755864), (94, 2677052), (134, 1877932), (188, 1338526), (268, 938966), (329, 764872), (376, 669263), (469, 536552), (536, 469483), (658, 382436), (938, 268276), (1316, 191218), (1427, 176344), (1876, 134138), (2632, 95609), (2854, 88172), (3149, 79912), (3752, 67069), (5708, 44086), (6298, 39956), (9989, 25192), (11416, 22043), (12596, 19978)]