216824912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 452542464

約数和(自身を除く): 235717552

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 71, 94, 124, 131, 142, 188, 248, 262, 284, 376, 496, 524, 568, 752, 1048, 1136, 1457, 2096, 2201, 2914, 3337, 4061, 4402, 5828, 6157, 6674, 8122, 8804, 9301, 11656, 12314, 13348, 16244, 17608, 18602, 23312, 24628, 26696, 32488, 35216, 37204, 49256, 53392, 64976, 74408, 98512, 103447, 148816, 190867, 206894, 288331, 381734, 413788, 437147, 576662, 763468, 827576, 874294, 1153324, 1526936, 1655152, 1748588, 2306648, 3053872, 3497176, 4613296, 6994352, 13551557, 27103114, 54206228, 108412456, 216824912]

約数ペア:

[(1, 216824912), (2, 108412456), (4, 54206228), (8, 27103114), (16, 13551557), (31, 6994352), (47, 4613296), (62, 3497176), (71, 3053872), (94, 2306648), (124, 1748588), (131, 1655152), (142, 1526936), (188, 1153324), (248, 874294), (262, 827576), (284, 763468), (376, 576662), (496, 437147), (524, 413788), (568, 381734), (752, 288331), (1048, 206894), (1136, 190867), (1457, 148816), (2096, 103447), (2201, 98512), (2914, 74408), (3337, 64976), (4061, 53392), (4402, 49256), (5828, 37204), (6157, 35216), (6674, 32488), (8122, 26696), (8804, 24628), (9301, 23312), (11656, 18602), (12314, 17608), (13348, 16244)]