311945876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 645200640

約数和(自身を除く): 333254764

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 361, 418, 451, 479, 722, 779, 836, 902, 958, 1444, 1558, 1804, 1916, 3116, 3971, 5269, 7942, 8569, 9101, 10538, 14801, 15884, 17138, 18202, 19639, 21076, 29602, 34276, 36404, 39278, 59204, 78556, 100111, 162811, 172919, 200222, 216029, 325622, 345838, 373141, 400444, 432058, 651244, 691676, 746282, 864116, 1492564, 1902109, 3804218, 4104551, 7089679, 7608436, 8209102, 14179358, 16418204, 28358716, 77986469, 155972938, 311945876]

約数ペア:

[(1, 311945876), (2, 155972938), (4, 77986469), (11, 28358716), (19, 16418204), (22, 14179358), (38, 8209102), (41, 7608436), (44, 7089679), (76, 4104551), (82, 3804218), (164, 1902109), (209, 1492564), (361, 864116), (418, 746282), (451, 691676), (479, 651244), (722, 432058), (779, 400444), (836, 373141), (902, 345838), (958, 325622), (1444, 216029), (1558, 200222), (1804, 172919), (1916, 162811), (3116, 100111), (3971, 78556), (5269, 59204), (7942, 39278), (8569, 36404), (9101, 34276), (10538, 29602), (14801, 21076), (15884, 19639), (17138, 18202)]