201914636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 451616928

約数和(自身を除く): 249702292

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 121, 122, 154, 242, 244, 308, 427, 484, 671, 847, 854, 977, 1342, 1694, 1708, 1954, 2684, 3388, 3908, 4697, 6839, 7381, 9394, 10747, 13678, 14762, 18788, 21494, 27356, 29524, 42988, 51667, 59597, 75229, 103334, 118217, 119194, 150458, 206668, 236434, 238388, 300916, 417179, 472868, 655567, 827519, 834358, 1311134, 1655038, 1668716, 2622268, 3310076, 4588969, 7211237, 9177938, 14422474, 18355876, 28844948, 50478659, 100957318, 201914636]

約数ペア:

[(1, 201914636), (2, 100957318), (4, 50478659), (7, 28844948), (11, 18355876), (14, 14422474), (22, 9177938), (28, 7211237), (44, 4588969), (61, 3310076), (77, 2622268), (121, 1668716), (122, 1655038), (154, 1311134), (242, 834358), (244, 827519), (308, 655567), (427, 472868), (484, 417179), (671, 300916), (847, 238388), (854, 236434), (977, 206668), (1342, 150458), (1694, 119194), (1708, 118217), (1954, 103334), (2684, 75229), (3388, 59597), (3908, 51667), (4697, 42988), (6839, 29524), (7381, 27356), (9394, 21494), (10747, 18788), (13678, 14762)]