199179916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 384297984

約数和(自身を除く): 185118068

約数列:

[1, 2, 4, 13, 26, 52, 73, 137, 146, 274, 292, 383, 548, 766, 949, 1532, 1781, 1898, 3562, 3796, 4979, 7124, 9958, 10001, 19916, 20002, 27959, 40004, 52471, 55918, 104942, 111836, 130013, 209884, 260026, 363467, 520052, 682123, 726934, 1364246, 1453868, 2728492, 3830383, 7660766, 15321532, 49794979, 99589958, 199179916]

約数ペア:

[(1, 199179916), (2, 99589958), (4, 49794979), (13, 15321532), (26, 7660766), (52, 3830383), (73, 2728492), (137, 1453868), (146, 1364246), (274, 726934), (292, 682123), (383, 520052), (548, 363467), (766, 260026), (949, 209884), (1532, 130013), (1781, 111836), (1898, 104942), (3562, 55918), (3796, 52471), (4979, 40004), (7124, 27959), (9958, 20002), (10001, 19916)]