128491528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 297676800

約数和(自身を除く): 169185272

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 37, 38, 44, 62, 67, 74, 76, 88, 124, 134, 148, 152, 209, 248, 268, 296, 341, 407, 418, 536, 589, 682, 703, 737, 814, 836, 1147, 1178, 1273, 1364, 1406, 1474, 1628, 1672, 2077, 2294, 2356, 2479, 2546, 2728, 2812, 2948, 3256, 4154, 4588, 4712, 4958, 5092, 5624, 5896, 6479, 7733, 8308, 9176, 9916, 10184, 12617, 12958, 14003, 15466, 16616, 19832, 21793, 22847, 25234, 25916, 27269, 28006, 30932, 39463, 43586, 45694, 47101, 50468, 51832, 54538, 56012, 61864, 76849, 78926, 87172, 91388, 94202, 100936, 109076, 112024, 153698, 157852, 174344, 182776, 188404, 218152, 239723, 307396, 315704, 376808, 434093, 479446, 518111, 614792, 845339, 868186, 958892, 1036222, 1460131, 1690678, 1736372, 1917784, 2072444, 2920262, 3381356, 3472744, 4144888, 5840524, 6762712, 11681048, 16061441, 32122882, 64245764, 128491528]

約数ペア:

[(1, 128491528), (2, 64245764), (4, 32122882), (8, 16061441), (11, 11681048), (19, 6762712), (22, 5840524), (31, 4144888), (37, 3472744), (38, 3381356), (44, 2920262), (62, 2072444), (67, 1917784), (74, 1736372), (76, 1690678), (88, 1460131), (124, 1036222), (134, 958892), (148, 868186), (152, 845339), (209, 614792), (248, 518111), (268, 479446), (296, 434093), (341, 376808), (407, 315704), (418, 307396), (536, 239723), (589, 218152), (682, 188404), (703, 182776), (737, 174344), (814, 157852), (836, 153698), (1147, 112024), (1178, 109076), (1273, 100936), (1364, 94202), (1406, 91388), (1474, 87172), (1628, 78926), (1672, 76849), (2077, 61864), (2294, 56012), (2356, 54538), (2479, 51832), (2546, 50468), (2728, 47101), (2812, 45694), (2948, 43586), (3256, 39463), (4154, 30932), (4588, 28006), (4712, 27269), (4958, 25916), (5092, 25234), (5624, 22847), (5896, 21793), (6479, 19832), (7733, 16616), (8308, 15466), (9176, 14003), (9916, 12958), (10184, 12617)]