495176578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 888330240

約数和(自身を除く): 393153662

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 71, 142, 221, 403, 442, 509, 527, 806, 923, 1018, 1054, 1207, 1846, 2201, 2414, 4402, 6617, 6851, 8653, 13234, 13702, 15691, 15779, 17306, 28613, 31382, 31558, 36139, 37417, 57226, 72278, 74834, 112489, 205127, 224978, 268243, 410254, 469807, 486421, 536486, 614363, 939614, 972842, 1120309, 1228726, 2240618, 3487159, 6974318, 7986719, 14564017, 15973438, 19045253, 29128034, 38090506, 247588289, 495176578]

約数ペア:

[(1, 495176578), (2, 247588289), (13, 38090506), (17, 29128034), (26, 19045253), (31, 15973438), (34, 14564017), (62, 7986719), (71, 6974318), (142, 3487159), (221, 2240618), (403, 1228726), (442, 1120309), (509, 972842), (527, 939614), (806, 614363), (923, 536486), (1018, 486421), (1054, 469807), (1207, 410254), (1846, 268243), (2201, 224978), (2414, 205127), (4402, 112489), (6617, 74834), (6851, 72278), (8653, 57226), (13234, 37417), (13702, 36139), (15691, 31558), (15779, 31382), (17306, 28613)]