209401648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20807}}^1$

素因数の和:20869

約数の個数: 40

約数和(自身を含む): 441212832

約数和(自身を除く): 231811184

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 10064, 20807, 41614, 83228, 166456, 332912, 353719, 707438, 769859, 1414876, 1539718, 2829752, 3079436, 5659504, 6158872, 12317744, 13087603, 26175206, 52350412, 104700824, 209401648]

約数ペア:

[(1, 209401648), (2, 104700824), (4, 52350412), (8, 26175206), (16, 13087603), (17, 12317744), (34, 6158872), (37, 5659504), (68, 3079436), (74, 2829752), (136, 1539718), (148, 1414876), (272, 769859), (296, 707438), (592, 353719), (629, 332912), (1258, 166456), (2516, 83228), (5032, 41614), (10064, 20807)]