321224656

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:716

約数の個数: 60

約数和(自身を含む): 667560448

約数和(自身を除く): 346335792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 289, 508, 547, 578, 1016, 1094, 1156, 2032, 2159, 2188, 2312, 4318, 4376, 4624, 8636, 8752, 9299, 17272, 18598, 34544, 36703, 37196, 69469, 73406, 74392, 138938, 146812, 148784, 158083, 277876, 293624, 316166, 555752, 587248, 632332, 1111504, 1180973, 1264664, 2361946, 2529328, 4723892, 9447784, 18895568, 20076541, 40153082, 80306164, 160612328, 321224656]

約数ペア:

[(1, 321224656), (2, 160612328), (4, 80306164), (8, 40153082), (16, 20076541), (17, 18895568), (34, 9447784), (68, 4723892), (127, 2529328), (136, 2361946), (254, 1264664), (272, 1180973), (289, 1111504), (508, 632332), (547, 587248), (578, 555752), (1016, 316166), (1094, 293624), (1156, 277876), (2032, 158083), (2159, 148784), (2188, 146812), (2312, 138938), (4318, 74392), (4376, 73406), (4624, 69469), (8636, 37196), (8752, 36703), (9299, 34544), (17272, 18598)]