128304435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 250629120

約数和(自身を除く): 122324685

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 219, 285, 365, 399, 511, 665, 881, 1095, 1387, 1533, 1995, 2555, 2643, 4161, 4405, 6167, 6935, 7665, 9709, 13215, 16739, 18501, 20805, 29127, 30835, 48545, 50217, 64313, 83695, 92505, 117173, 145635, 192939, 251085, 321565, 351519, 450191, 585865, 964695, 1221947, 1350573, 1757595, 2250955, 3665841, 6109735, 6752865, 8553629, 18329205, 25660887, 42768145, 128304435]

約数ペア:

[(1, 128304435), (3, 42768145), (5, 25660887), (7, 18329205), (15, 8553629), (19, 6752865), (21, 6109735), (35, 3665841), (57, 2250955), (73, 1757595), (95, 1350573), (105, 1221947), (133, 964695), (219, 585865), (285, 450191), (365, 351519), (399, 321565), (511, 251085), (665, 192939), (881, 145635), (1095, 117173), (1387, 92505), (1533, 83695), (1995, 64313), (2555, 50217), (2643, 48545), (4161, 30835), (4405, 29127), (6167, 20805), (6935, 18501), (7665, 16739), (9709, 13215)]