291219422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 525450240

約数和(自身を除く): 234230818

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 71, 142, 247, 299, 361, 437, 494, 598, 722, 874, 923, 1349, 1633, 1846, 2698, 3266, 4693, 5681, 6859, 8303, 9386, 11362, 13718, 16606, 17537, 21229, 25631, 31027, 35074, 42458, 51262, 62054, 89167, 107939, 157757, 178334, 215878, 315514, 333203, 403351, 486989, 589513, 666406, 806702, 973978, 1179026, 2050841, 4101682, 6330857, 7663669, 11200747, 12661714, 15327338, 22401494, 145609711, 291219422]

約数ペア:

[(1, 291219422), (2, 145609711), (13, 22401494), (19, 15327338), (23, 12661714), (26, 11200747), (38, 7663669), (46, 6330857), (71, 4101682), (142, 2050841), (247, 1179026), (299, 973978), (361, 806702), (437, 666406), (494, 589513), (598, 486989), (722, 403351), (874, 333203), (923, 315514), (1349, 215878), (1633, 178334), (1846, 157757), (2698, 107939), (3266, 89167), (4693, 62054), (5681, 51262), (6859, 42458), (8303, 35074), (9386, 31027), (11362, 25631), (13718, 21229), (16606, 17537)]