2155891808

素因数分解:

$2^5\times 7^2\times {\mathrm{311}}^1\times {\mathrm{4421}}^1$

素因数の和:4756

約数の個数: 72

約数和(自身を含む): 4954373424

約数和(自身を除く): 2798481616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 311, 392, 622, 784, 1244, 1568, 2177, 2488, 4354, 4421, 4976, 8708, 8842, 9952, 15239, 17416, 17684, 30478, 30947, 34832, 35368, 60956, 61894, 69664, 70736, 121912, 123788, 141472, 216629, 243824, 247576, 433258, 487648, 495152, 866516, 990304, 1374931, 1733032, 2749862, 3466064, 5499724, 6932128, 9624517, 10999448, 19249034, 21998896, 38498068, 43997792, 67371619, 76996136, 134743238, 153992272, 269486476, 307984544, 538972952, 1077945904, 2155891808]

約数ペア:

[(1, 2155891808), (2, 1077945904), (4, 538972952), (7, 307984544), (8, 269486476), (14, 153992272), (16, 134743238), (28, 76996136), (32, 67371619), (49, 43997792), (56, 38498068), (98, 21998896), (112, 19249034), (196, 10999448), (224, 9624517), (311, 6932128), (392, 5499724), (622, 3466064), (784, 2749862), (1244, 1733032), (1568, 1374931), (2177, 990304), (2488, 866516), (4354, 495152), (4421, 487648), (4976, 433258), (8708, 247576), (8842, 243824), (9952, 216629), (15239, 141472), (17416, 123788), (17684, 121912), (30478, 70736), (30947, 69664), (34832, 61894), (35368, 60956)]