27809852

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 61286400

約数和(自身を除く): 33476548

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 161, 196, 199, 217, 322, 398, 434, 644, 713, 796, 868, 1127, 1393, 1426, 1519, 2254, 2786, 2852, 3038, 4508, 4577, 4991, 5572, 6076, 6169, 9154, 9751, 9982, 12338, 18308, 19502, 19964, 24676, 32039, 34937, 39004, 43183, 64078, 69874, 86366, 128156, 139748, 141887, 172732, 224273, 283774, 302281, 448546, 567548, 604562, 897092, 993209, 1209124, 1986418, 3972836, 6952463, 13904926, 27809852]

約数ペア:

[(1, 27809852), (2, 13904926), (4, 6952463), (7, 3972836), (14, 1986418), (23, 1209124), (28, 993209), (31, 897092), (46, 604562), (49, 567548), (62, 448546), (92, 302281), (98, 283774), (124, 224273), (161, 172732), (196, 141887), (199, 139748), (217, 128156), (322, 86366), (398, 69874), (434, 64078), (644, 43183), (713, 39004), (796, 34937), (868, 32039), (1127, 24676), (1393, 19964), (1426, 19502), (1519, 18308), (2254, 12338), (2786, 9982), (2852, 9751), (3038, 9154), (4508, 6169), (4577, 6076), (4991, 5572)]