217984312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 522823680

約数和(自身を除く): 304839368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 169, 182, 217, 248, 338, 364, 403, 434, 676, 728, 743, 806, 868, 1183, 1352, 1486, 1612, 1736, 2366, 2821, 2972, 3224, 4732, 5201, 5239, 5642, 5944, 9464, 9659, 10402, 10478, 11284, 19318, 20804, 20956, 22568, 23033, 36673, 38636, 41608, 41912, 46066, 67613, 73346, 77272, 92132, 125567, 135226, 146692, 161231, 184264, 251134, 270452, 293384, 299429, 322462, 502268, 540904, 598858, 644924, 878969, 1004536, 1197716, 1289848, 1757938, 2096003, 2395432, 3515876, 3892577, 4192006, 7031752, 7785154, 8384012, 15570308, 16768024, 27248039, 31140616, 54496078, 108992156, 217984312]

約数ペア:

[(1, 217984312), (2, 108992156), (4, 54496078), (7, 31140616), (8, 27248039), (13, 16768024), (14, 15570308), (26, 8384012), (28, 7785154), (31, 7031752), (52, 4192006), (56, 3892577), (62, 3515876), (91, 2395432), (104, 2096003), (124, 1757938), (169, 1289848), (182, 1197716), (217, 1004536), (248, 878969), (338, 644924), (364, 598858), (403, 540904), (434, 502268), (676, 322462), (728, 299429), (743, 293384), (806, 270452), (868, 251134), (1183, 184264), (1352, 161231), (1486, 146692), (1612, 135226), (1736, 125567), (2366, 92132), (2821, 77272), (2972, 73346), (3224, 67613), (4732, 46066), (5201, 41912), (5239, 41608), (5642, 38636), (5944, 36673), (9464, 23033), (9659, 22568), (10402, 20956), (10478, 20804), (11284, 19318)]