208745108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21467}}^1$

素因数の和:21512

約数の個数: 48

約数和(自身を含む): 454434624

約数和(自身を除く): 245689516

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 21467, 42934, 85868, 236137, 279071, 364939, 472274, 558142, 729878, 944548, 1116284, 1459756, 3069781, 4014329, 4744207, 6139562, 8028658, 9488414, 12279124, 16057316, 18976828, 52186277, 104372554, 208745108]

約数ペア:

[(1, 208745108), (2, 104372554), (4, 52186277), (11, 18976828), (13, 16057316), (17, 12279124), (22, 9488414), (26, 8028658), (34, 6139562), (44, 4744207), (52, 4014329), (68, 3069781), (143, 1459756), (187, 1116284), (221, 944548), (286, 729878), (374, 558142), (442, 472274), (572, 364939), (748, 279071), (884, 236137), (2431, 85868), (4862, 42934), (9724, 21467)]