128475392

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 277154136

約数和(自身を除く): 148678744

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 106, 128, 136, 212, 256, 272, 424, 544, 557, 848, 901, 1088, 1114, 1696, 1802, 2176, 2228, 3392, 3604, 4352, 4456, 6784, 7208, 8912, 9469, 13568, 14416, 17824, 18938, 28832, 29521, 35648, 37876, 57664, 59042, 71296, 75752, 115328, 118084, 142592, 151504, 230656, 236168, 303008, 472336, 501857, 606016, 944672, 1003714, 1212032, 1889344, 2007428, 2424064, 3778688, 4014856, 7557376, 8029712, 16059424, 32118848, 64237696, 128475392]

約数ペア:

[(1, 128475392), (2, 64237696), (4, 32118848), (8, 16059424), (16, 8029712), (17, 7557376), (32, 4014856), (34, 3778688), (53, 2424064), (64, 2007428), (68, 1889344), (106, 1212032), (128, 1003714), (136, 944672), (212, 606016), (256, 501857), (272, 472336), (424, 303008), (544, 236168), (557, 230656), (848, 151504), (901, 142592), (1088, 118084), (1114, 115328), (1696, 75752), (1802, 71296), (2176, 59042), (2228, 57664), (3392, 37876), (3604, 35648), (4352, 29521), (4456, 28832), (6784, 18938), (7208, 17824), (8912, 14416), (9469, 13568)]