64308926140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{241963}}^1$

素因数の和:242206

約数の個数: 48

約数和(自身を含む): 137437487712

約数和(自身を除く): 73128561572

約数列:

[1, 2, 4, 5, 10, 20, 97, 137, 194, 274, 388, 485, 548, 685, 970, 1370, 1940, 2740, 13289, 26578, 53156, 66445, 132890, 241963, 265780, 483926, 967852, 1209815, 2419630, 4839260, 23470411, 33148931, 46940822, 66297862, 93881644, 117352055, 132595724, 165744655, 234704110, 331489310, 469408220, 662978620, 3215446307, 6430892614, 12861785228, 16077231535, 32154463070, 64308926140]

約数ペア:

[(1, 64308926140), (2, 32154463070), (4, 16077231535), (5, 12861785228), (10, 6430892614), (20, 3215446307), (97, 662978620), (137, 469408220), (194, 331489310), (274, 234704110), (388, 165744655), (485, 132595724), (548, 117352055), (685, 93881644), (970, 66297862), (1370, 46940822), (1940, 33148931), (2740, 23470411), (13289, 4839260), (26578, 2419630), (53156, 1209815), (66445, 967852), (132890, 483926), (241963, 265780)]