161568992

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6367}}^1$

素因数の和:6451

約数の個数: 48

約数和(自身を含む): 348227712

約数和(自身を除く): 186658720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 6344, 6367, 12688, 12734, 25376, 25468, 50936, 82771, 101872, 165542, 203744, 331084, 388387, 662168, 776774, 1324336, 1553548, 2648672, 3107096, 5049031, 6214192, 10098062, 12428384, 20196124, 40392248, 80784496, 161568992]

約数ペア:

[(1, 161568992), (2, 80784496), (4, 40392248), (8, 20196124), (13, 12428384), (16, 10098062), (26, 6214192), (32, 5049031), (52, 3107096), (61, 2648672), (104, 1553548), (122, 1324336), (208, 776774), (244, 662168), (416, 388387), (488, 331084), (793, 203744), (976, 165542), (1586, 101872), (1952, 82771), (3172, 50936), (6344, 25468), (6367, 25376), (12688, 12734)]