161819392

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 374509856

約数和(自身を除く): 212690464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 1022, 1168, 1237, 1792, 2044, 2336, 2474, 4088, 4672, 4948, 8176, 8659, 9344, 9896, 16352, 17318, 18688, 19792, 32704, 34636, 39584, 65408, 69272, 79168, 90301, 130816, 138544, 158336, 180602, 277088, 316672, 361204, 554176, 632107, 722408, 1108352, 1264214, 1444816, 2216704, 2528428, 2889632, 5056856, 5779264, 10113712, 11558528, 20227424, 23117056, 40454848, 80909696, 161819392]

約数ペア:

[(1, 161819392), (2, 80909696), (4, 40454848), (7, 23117056), (8, 20227424), (14, 11558528), (16, 10113712), (28, 5779264), (32, 5056856), (56, 2889632), (64, 2528428), (73, 2216704), (112, 1444816), (128, 1264214), (146, 1108352), (224, 722408), (256, 632107), (292, 554176), (448, 361204), (511, 316672), (584, 277088), (896, 180602), (1022, 158336), (1168, 138544), (1237, 130816), (1792, 90301), (2044, 79168), (2336, 69272), (2474, 65408), (4088, 39584), (4672, 34636), (4948, 32704), (8176, 19792), (8659, 18688), (9344, 17318), (9896, 16352)]