215452016

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 494231760

約数和(自身を除く): 278779744

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 43, 52, 68, 86, 104, 109, 136, 169, 172, 208, 218, 221, 272, 338, 344, 436, 442, 559, 676, 688, 731, 872, 884, 1118, 1352, 1417, 1462, 1744, 1768, 1853, 2236, 2704, 2834, 2873, 2924, 3536, 3706, 4472, 4687, 5668, 5746, 5848, 7267, 7412, 8944, 9374, 9503, 11336, 11492, 11696, 14534, 14824, 18421, 18748, 19006, 22672, 22984, 24089, 29068, 29648, 36842, 37496, 38012, 45968, 48178, 58136, 60931, 73684, 74992, 76024, 79679, 96356, 116272, 121862, 123539, 147368, 152048, 159358, 192712, 243724, 247078, 294736, 313157, 318716, 385424, 487448, 494156, 626314, 637432, 792103, 974896, 988312, 1035827, 1252628, 1274864, 1584206, 1976624, 2071654, 2505256, 3168412, 4143308, 5010512, 6336824, 8286616, 12673648, 13465751, 16573232, 26931502, 53863004, 107726008, 215452016]

約数ペア:

[(1, 215452016), (2, 107726008), (4, 53863004), (8, 26931502), (13, 16573232), (16, 13465751), (17, 12673648), (26, 8286616), (34, 6336824), (43, 5010512), (52, 4143308), (68, 3168412), (86, 2505256), (104, 2071654), (109, 1976624), (136, 1584206), (169, 1274864), (172, 1252628), (208, 1035827), (218, 988312), (221, 974896), (272, 792103), (338, 637432), (344, 626314), (436, 494156), (442, 487448), (559, 385424), (676, 318716), (688, 313157), (731, 294736), (872, 247078), (884, 243724), (1118, 192712), (1352, 159358), (1417, 152048), (1462, 147368), (1744, 123539), (1768, 121862), (1853, 116272), (2236, 96356), (2704, 79679), (2834, 76024), (2873, 74992), (2924, 73684), (3536, 60931), (3706, 58136), (4472, 48178), (4687, 45968), (5668, 38012), (5746, 37496), (5848, 36842), (7267, 29648), (7412, 29068), (8944, 24089), (9374, 22984), (9503, 22672), (11336, 19006), (11492, 18748), (11696, 18421), (14534, 14824)]