16620930124

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{30557}}^1$

素因数の和:31018

約数の個数: 48

約数和(自身を含む): 32496599520

約数和(自身を除く): 15875669396

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 421, 646, 842, 1292, 1684, 7157, 7999, 14314, 15998, 28628, 30557, 31996, 61114, 122228, 135983, 271966, 519469, 543932, 580583, 1038938, 1161166, 2077876, 2322332, 9869911, 12864497, 19739822, 25728994, 39479644, 51457988, 218696449, 244425443, 437392898, 488850886, 874785796, 977701772, 4155232531, 8310465062, 16620930124]

約数ペア:

[(1, 16620930124), (2, 8310465062), (4, 4155232531), (17, 977701772), (19, 874785796), (34, 488850886), (38, 437392898), (68, 244425443), (76, 218696449), (323, 51457988), (421, 39479644), (646, 25728994), (842, 19739822), (1292, 12864497), (1684, 9869911), (7157, 2322332), (7999, 2077876), (14314, 1161166), (15998, 1038938), (28628, 580583), (30557, 543932), (31996, 519469), (61114, 271966), (122228, 135983)]