251010608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{5981}}^1$

素因数の和:6093

約数の個数: 40

約数和(自身を含む): 505885776

約数和(自身を除く): 254875168

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 2623, 5246, 5981, 10492, 11962, 20984, 23924, 41968, 47848, 95696, 257183, 364841, 514366, 729682, 1028732, 1459364, 2057464, 2918728, 4114928, 5837456, 15688163, 31376326, 62752652, 125505304, 251010608]

約数ペア:

[(1, 251010608), (2, 125505304), (4, 62752652), (8, 31376326), (16, 15688163), (43, 5837456), (61, 4114928), (86, 2918728), (122, 2057464), (172, 1459364), (244, 1028732), (344, 729682), (488, 514366), (688, 364841), (976, 257183), (2623, 95696), (5246, 47848), (5981, 41968), (10492, 23924), (11962, 20984)]