220405458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17551}}^1$

素因数の和:17599

約数の個数: 64

約数和(自身を含む): 566157312

約数和(自身を除く): 345751854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1794, 2093, 4186, 6279, 12558, 17551, 35102, 52653, 105306, 122857, 228163, 245714, 368571, 403673, 456326, 684489, 737142, 807346, 1211019, 1368978, 1597141, 2422038, 2825711, 3194282, 4791423, 5247749, 5651422, 8477133, 9582846, 10495498, 15743247, 16954266, 31486494, 36734243, 73468486, 110202729, 220405458]

約数ペア:

[(1, 220405458), (2, 110202729), (3, 73468486), (6, 36734243), (7, 31486494), (13, 16954266), (14, 15743247), (21, 10495498), (23, 9582846), (26, 8477133), (39, 5651422), (42, 5247749), (46, 4791423), (69, 3194282), (78, 2825711), (91, 2422038), (138, 1597141), (161, 1368978), (182, 1211019), (273, 807346), (299, 737142), (322, 684489), (483, 456326), (546, 403673), (598, 368571), (897, 245714), (966, 228163), (1794, 122857), (2093, 105306), (4186, 52653), (6279, 35102), (12558, 17551)]