208564772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3323}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 422174592

約数和(自身を除く): 213609820

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 884, 923, 1207, 1846, 2414, 3323, 3692, 4828, 6646, 13292, 15691, 31382, 43199, 56491, 62764, 86398, 112982, 172796, 225964, 235933, 471866, 734383, 943732, 1468766, 2937532, 3067129, 4010861, 6134258, 8021722, 12268516, 16043444, 52141193, 104282386, 208564772]

約数ペア:

[(1, 208564772), (2, 104282386), (4, 52141193), (13, 16043444), (17, 12268516), (26, 8021722), (34, 6134258), (52, 4010861), (68, 3067129), (71, 2937532), (142, 1468766), (221, 943732), (284, 734383), (442, 471866), (884, 235933), (923, 225964), (1207, 172796), (1846, 112982), (2414, 86398), (3323, 62764), (3692, 56491), (4828, 43199), (6646, 31382), (13292, 15691)]