161411488

素因数分解:

$2^5\times 7^2\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:666

約数の個数: 72

約数和(自身を含む): 371970144

約数和(自身を除く): 210558656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 311, 331, 392, 622, 662, 784, 1244, 1324, 1568, 2177, 2317, 2488, 2648, 4354, 4634, 4976, 5296, 8708, 9268, 9952, 10592, 15239, 16219, 17416, 18536, 30478, 32438, 34832, 37072, 60956, 64876, 69664, 74144, 102941, 121912, 129752, 205882, 243824, 259504, 411764, 487648, 519008, 720587, 823528, 1441174, 1647056, 2882348, 3294112, 5044109, 5764696, 10088218, 11529392, 20176436, 23058784, 40352872, 80705744, 161411488]

約数ペア:

[(1, 161411488), (2, 80705744), (4, 40352872), (7, 23058784), (8, 20176436), (14, 11529392), (16, 10088218), (28, 5764696), (32, 5044109), (49, 3294112), (56, 2882348), (98, 1647056), (112, 1441174), (196, 823528), (224, 720587), (311, 519008), (331, 487648), (392, 411764), (622, 259504), (662, 243824), (784, 205882), (1244, 129752), (1324, 121912), (1568, 102941), (2177, 74144), (2317, 69664), (2488, 64876), (2648, 60956), (4354, 37072), (4634, 34832), (4976, 32438), (5296, 30478), (8708, 18536), (9268, 17416), (9952, 16219), (10592, 15239)]