13189088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 28712880

約数和(自身を除く): 15523792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 421, 712, 842, 979, 1424, 1684, 1958, 2848, 3368, 3916, 4631, 6736, 7832, 9262, 13472, 15664, 18524, 31328, 37048, 37469, 74096, 74938, 148192, 149876, 299752, 412159, 599504, 824318, 1199008, 1648636, 3297272, 6594544, 13189088]

約数ペア:

[(1, 13189088), (2, 6594544), (4, 3297272), (8, 1648636), (11, 1199008), (16, 824318), (22, 599504), (32, 412159), (44, 299752), (88, 149876), (89, 148192), (176, 74938), (178, 74096), (352, 37469), (356, 37048), (421, 31328), (712, 18524), (842, 15664), (979, 13472), (1424, 9262), (1684, 7832), (1958, 6736), (2848, 4631), (3368, 3916)]