161913472

素因数分解:

$2^7\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 371312640

約数和(自身を除く): 209399168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 314, 448, 628, 896, 1099, 1151, 1256, 2198, 2302, 2512, 4396, 4604, 5024, 8057, 8792, 9208, 10048, 16114, 17584, 18416, 20096, 32228, 35168, 36832, 64456, 70336, 73664, 128912, 140672, 147328, 180707, 257824, 361414, 515648, 722828, 1031296, 1264949, 1445656, 2529898, 2891312, 5059796, 5782624, 10119592, 11565248, 20239184, 23130496, 40478368, 80956736, 161913472]

約数ペア:

[(1, 161913472), (2, 80956736), (4, 40478368), (7, 23130496), (8, 20239184), (14, 11565248), (16, 10119592), (28, 5782624), (32, 5059796), (56, 2891312), (64, 2529898), (112, 1445656), (128, 1264949), (157, 1031296), (224, 722828), (314, 515648), (448, 361414), (628, 257824), (896, 180707), (1099, 147328), (1151, 140672), (1256, 128912), (2198, 73664), (2302, 70336), (2512, 64456), (4396, 36832), (4604, 35168), (5024, 32228), (8057, 20096), (8792, 18416), (9208, 17584), (10048, 16114)]