211790488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 525571200

約数和(自身を除く): 313780712

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 109, 119, 136, 157, 182, 218, 221, 238, 314, 364, 436, 442, 476, 628, 728, 763, 872, 884, 952, 1099, 1256, 1417, 1526, 1547, 1768, 1853, 2041, 2198, 2669, 2834, 3052, 3094, 3706, 4082, 4396, 5338, 5668, 6104, 6188, 7412, 8164, 8792, 9919, 10676, 11336, 12376, 12971, 14287, 14824, 16328, 17113, 18683, 19838, 21352, 24089, 25942, 28574, 34226, 34697, 37366, 39676, 48178, 51884, 57148, 68452, 69394, 74732, 79352, 96356, 103768, 114296, 119791, 136904, 138788, 149464, 168623, 192712, 222469, 239582, 242879, 277576, 290921, 337246, 444938, 479164, 485758, 581842, 674492, 889876, 958328, 971516, 1163684, 1348984, 1557283, 1779752, 1943032, 2036447, 2327368, 3114566, 3781973, 4072894, 6229132, 7563946, 8145788, 12458264, 15127892, 16291576, 26473811, 30255784, 52947622, 105895244, 211790488]

約数ペア:

[(1, 211790488), (2, 105895244), (4, 52947622), (7, 30255784), (8, 26473811), (13, 16291576), (14, 15127892), (17, 12458264), (26, 8145788), (28, 7563946), (34, 6229132), (52, 4072894), (56, 3781973), (68, 3114566), (91, 2327368), (104, 2036447), (109, 1943032), (119, 1779752), (136, 1557283), (157, 1348984), (182, 1163684), (218, 971516), (221, 958328), (238, 889876), (314, 674492), (364, 581842), (436, 485758), (442, 479164), (476, 444938), (628, 337246), (728, 290921), (763, 277576), (872, 242879), (884, 239582), (952, 222469), (1099, 192712), (1256, 168623), (1417, 149464), (1526, 138788), (1547, 136904), (1768, 119791), (1853, 114296), (2041, 103768), (2198, 96356), (2669, 79352), (2834, 74732), (3052, 69394), (3094, 68452), (3706, 57148), (4082, 51884), (4396, 48178), (5338, 39676), (5668, 37366), (6104, 34697), (6188, 34226), (7412, 28574), (8164, 25942), (8792, 24089), (9919, 21352), (10676, 19838), (11336, 18683), (12376, 17113), (12971, 16328), (14287, 14824)]