31963778

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 61560000

約数和(自身を除く): 29596222

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 149, 154, 199, 298, 398, 539, 1043, 1078, 1393, 1639, 2086, 2189, 2786, 3278, 4378, 7301, 9751, 11473, 14602, 15323, 19502, 22946, 29651, 30646, 59302, 80311, 107261, 160622, 207557, 214522, 326161, 415114, 652322, 1452899, 2283127, 2905798, 4566254, 15981889, 31963778]

約数ペア:

[(1, 31963778), (2, 15981889), (7, 4566254), (11, 2905798), (14, 2283127), (22, 1452899), (49, 652322), (77, 415114), (98, 326161), (149, 214522), (154, 207557), (199, 160622), (298, 107261), (398, 80311), (539, 59302), (1043, 30646), (1078, 29651), (1393, 22946), (1639, 19502), (2086, 15323), (2189, 14602), (2786, 11473), (3278, 9751), (4378, 7301)]