221351284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 505774080

約数和(自身を除く): 284422796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 97, 124, 154, 194, 217, 239, 308, 341, 388, 434, 478, 679, 682, 868, 956, 1067, 1358, 1364, 1673, 2134, 2387, 2629, 2716, 3007, 3346, 4268, 4774, 5258, 6014, 6692, 7409, 7469, 9548, 10516, 12028, 14818, 14938, 18403, 21049, 23183, 29636, 29876, 33077, 36806, 42098, 46366, 51863, 66154, 73612, 81499, 84196, 92732, 103726, 132308, 162281, 162998, 207452, 231539, 255013, 324562, 325996, 463078, 510026, 570493, 649124, 718673, 926156, 1020052, 1140986, 1437346, 1785091, 2281972, 2874692, 3570182, 5030711, 7140364, 7905403, 10061422, 15810806, 20122844, 31621612, 55337821, 110675642, 221351284]

約数ペア:

[(1, 221351284), (2, 110675642), (4, 55337821), (7, 31621612), (11, 20122844), (14, 15810806), (22, 10061422), (28, 7905403), (31, 7140364), (44, 5030711), (62, 3570182), (77, 2874692), (97, 2281972), (124, 1785091), (154, 1437346), (194, 1140986), (217, 1020052), (239, 926156), (308, 718673), (341, 649124), (388, 570493), (434, 510026), (478, 463078), (679, 325996), (682, 324562), (868, 255013), (956, 231539), (1067, 207452), (1358, 162998), (1364, 162281), (1673, 132308), (2134, 103726), (2387, 92732), (2629, 84196), (2716, 81499), (3007, 73612), (3346, 66154), (4268, 51863), (4774, 46366), (5258, 42098), (6014, 36806), (6692, 33077), (7409, 29876), (7469, 29636), (9548, 23183), (10516, 21049), (12028, 18403), (14818, 14938)]