212990778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11860

約数の個数: 96

約数和(自身を含む): 619661952

約数和(自身を除く): 406671174

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1638, 2002, 2574, 3003, 6006, 9009, 11821, 18018, 23642, 35463, 70926, 82747, 106389, 130031, 153673, 165494, 212778, 248241, 260062, 307346, 390093, 461019, 496482, 744723, 780186, 910217, 922038, 1075711, 1170279, 1383057, 1489446, 1690403, 1820434, 2151422, 2340558, 2730651, 2766114, 3227133, 3380806, 5071209, 5461302, 6454266, 8191953, 9681399, 10142418, 11832821, 15213627, 16383906, 19362798, 23665642, 30427254, 35498463, 70996926, 106495389, 212990778]

約数ペア:

[(1, 212990778), (2, 106495389), (3, 70996926), (6, 35498463), (7, 30427254), (9, 23665642), (11, 19362798), (13, 16383906), (14, 15213627), (18, 11832821), (21, 10142418), (22, 9681399), (26, 8191953), (33, 6454266), (39, 5461302), (42, 5071209), (63, 3380806), (66, 3227133), (77, 2766114), (78, 2730651), (91, 2340558), (99, 2151422), (117, 1820434), (126, 1690403), (143, 1489446), (154, 1383057), (182, 1170279), (198, 1075711), (231, 922038), (234, 910217), (273, 780186), (286, 744723), (429, 496482), (462, 461019), (546, 390093), (693, 307346), (819, 260062), (858, 248241), (1001, 212778), (1287, 165494), (1386, 153673), (1638, 130031), (2002, 106389), (2574, 82747), (3003, 70926), (6006, 35463), (9009, 23642), (11821, 18018)]