221641574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 439603200

約数和(自身を除く): 217961626

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 211, 266, 359, 418, 422, 718, 1463, 1477, 2321, 2513, 2926, 2954, 3949, 4009, 4642, 5026, 6821, 7898, 8018, 13642, 16247, 27643, 28063, 32494, 44099, 47747, 55286, 56126, 75031, 75749, 88198, 95494, 150062, 151498, 308693, 525217, 530243, 617386, 833239, 1050434, 1060486, 1439231, 1666478, 2878462, 5832673, 10074617, 11665346, 15831541, 20149234, 31663082, 110820787, 221641574]

約数ペア:

[(1, 221641574), (2, 110820787), (7, 31663082), (11, 20149234), (14, 15831541), (19, 11665346), (22, 10074617), (38, 5832673), (77, 2878462), (133, 1666478), (154, 1439231), (209, 1060486), (211, 1050434), (266, 833239), (359, 617386), (418, 530243), (422, 525217), (718, 308693), (1463, 151498), (1477, 150062), (2321, 95494), (2513, 88198), (2926, 75749), (2954, 75031), (3949, 56126), (4009, 55286), (4642, 47747), (5026, 44099), (6821, 32494), (7898, 28063), (8018, 27643), (13642, 16247)]