28006916

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 59033856

約数和(自身を除く): 31026940

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 277, 314, 322, 554, 628, 644, 1099, 1108, 1939, 2198, 3611, 3878, 4396, 6371, 7222, 7756, 12742, 14444, 25277, 25484, 43489, 44597, 50554, 86978, 89194, 101108, 173956, 178388, 304423, 608846, 1000247, 1217692, 2000494, 4000988, 7001729, 14003458, 28006916]

約数ペア:

[(1, 28006916), (2, 14003458), (4, 7001729), (7, 4000988), (14, 2000494), (23, 1217692), (28, 1000247), (46, 608846), (92, 304423), (157, 178388), (161, 173956), (277, 101108), (314, 89194), (322, 86978), (554, 50554), (628, 44597), (644, 43489), (1099, 25484), (1108, 25277), (1939, 14444), (2198, 12742), (3611, 7756), (3878, 7222), (4396, 6371)]