208768228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 400667904

約数和(自身を除く): 191899676

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 103, 164, 206, 412, 697, 727, 1394, 1454, 1751, 2788, 2908, 3502, 4223, 7004, 8446, 12359, 16892, 24718, 29807, 49436, 59614, 71791, 74881, 119228, 143582, 149762, 287164, 299524, 506719, 1013438, 1272977, 2026876, 2545954, 3070121, 5091908, 6140242, 12280484, 52192057, 104384114, 208768228]

約数ペア:

[(1, 208768228), (2, 104384114), (4, 52192057), (17, 12280484), (34, 6140242), (41, 5091908), (68, 3070121), (82, 2545954), (103, 2026876), (164, 1272977), (206, 1013438), (412, 506719), (697, 299524), (727, 287164), (1394, 149762), (1454, 143582), (1751, 119228), (2788, 74881), (2908, 71791), (3502, 59614), (4223, 49436), (7004, 29807), (8446, 24718), (12359, 16892)]