217395612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 657139392

約数和(自身を除く): 439743780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 53, 63, 82, 84, 106, 123, 126, 159, 164, 212, 246, 252, 287, 318, 369, 371, 397, 477, 492, 574, 636, 738, 742, 794, 861, 954, 1113, 1148, 1191, 1476, 1484, 1588, 1722, 1908, 2173, 2226, 2382, 2583, 2779, 3339, 3444, 3573, 4346, 4452, 4764, 5166, 5558, 6519, 6678, 7146, 8337, 8692, 10332, 11116, 13038, 13356, 14292, 15211, 16277, 16674, 19557, 21041, 25011, 26076, 30422, 32554, 33348, 39114, 42082, 45633, 48831, 50022, 60844, 63123, 65108, 78228, 84164, 91266, 97662, 100044, 113939, 126246, 136899, 146493, 147287, 182532, 189369, 195324, 227878, 252492, 273798, 292986, 294574, 341817, 378738, 441861, 455756, 547596, 585972, 589148, 683634, 757476, 862681, 883722, 1025451, 1325583, 1367268, 1725362, 1767444, 2050902, 2588043, 2651166, 3450724, 4101804, 5176086, 5302332, 6038767, 7764129, 10352172, 12077534, 15528258, 18116301, 24155068, 31056516, 36232602, 54348903, 72465204, 108697806, 217395612]

約数ペア:

[(1, 217395612), (2, 108697806), (3, 72465204), (4, 54348903), (6, 36232602), (7, 31056516), (9, 24155068), (12, 18116301), (14, 15528258), (18, 12077534), (21, 10352172), (28, 7764129), (36, 6038767), (41, 5302332), (42, 5176086), (53, 4101804), (63, 3450724), (82, 2651166), (84, 2588043), (106, 2050902), (123, 1767444), (126, 1725362), (159, 1367268), (164, 1325583), (212, 1025451), (246, 883722), (252, 862681), (287, 757476), (318, 683634), (369, 589148), (371, 585972), (397, 547596), (477, 455756), (492, 441861), (574, 378738), (636, 341817), (738, 294574), (742, 292986), (794, 273798), (861, 252492), (954, 227878), (1113, 195324), (1148, 189369), (1191, 182532), (1476, 147287), (1484, 146493), (1588, 136899), (1722, 126246), (1908, 113939), (2173, 100044), (2226, 97662), (2382, 91266), (2583, 84164), (2779, 78228), (3339, 65108), (3444, 63123), (3573, 60844), (4346, 50022), (4452, 48831), (4764, 45633), (5166, 42082), (5558, 39114), (6519, 33348), (6678, 32554), (7146, 30422), (8337, 26076), (8692, 25011), (10332, 21041), (11116, 19557), (13038, 16674), (13356, 16277), (14292, 15211)]