25213695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 46362624

約数和(自身を除く): 21148929

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 97, 129, 155, 195, 215, 291, 403, 465, 485, 559, 645, 1209, 1261, 1333, 1455, 1677, 2015, 2795, 3007, 3783, 3999, 4171, 6045, 6305, 6665, 8385, 9021, 12513, 15035, 17329, 18915, 19995, 20855, 39091, 45105, 51987, 54223, 62565, 86645, 117273, 129301, 162669, 195455, 259935, 271115, 387903, 586365, 646505, 813345, 1680913, 1939515, 5042739, 8404565, 25213695]

約数ペア:

[(1, 25213695), (3, 8404565), (5, 5042739), (13, 1939515), (15, 1680913), (31, 813345), (39, 646505), (43, 586365), (65, 387903), (93, 271115), (97, 259935), (129, 195455), (155, 162669), (195, 129301), (215, 117273), (291, 86645), (403, 62565), (465, 54223), (485, 51987), (559, 45105), (645, 39091), (1209, 20855), (1261, 19995), (1333, 18915), (1455, 17329), (1677, 15035), (2015, 12513), (2795, 9021), (3007, 8385), (3783, 6665), (3999, 6305), (4171, 6045)]