81769402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 151240320

約数和(自身を除く): 69470918

約数列:

[1, 2, 11, 13, 22, 26, 43, 61, 86, 109, 122, 143, 218, 286, 473, 559, 671, 793, 946, 1118, 1199, 1342, 1417, 1586, 2398, 2623, 2834, 4687, 5246, 6149, 6649, 8723, 9374, 12298, 13298, 15587, 17446, 28853, 31174, 34099, 51557, 57706, 60931, 68198, 73139, 86437, 103114, 121862, 146278, 172874, 285907, 375089, 571814, 670241, 750178, 950807, 1340482, 1901614, 3144977, 3716791, 6289954, 7433582, 40884701, 81769402]

約数ペア:

[(1, 81769402), (2, 40884701), (11, 7433582), (13, 6289954), (22, 3716791), (26, 3144977), (43, 1901614), (61, 1340482), (86, 950807), (109, 750178), (122, 670241), (143, 571814), (218, 375089), (286, 285907), (473, 172874), (559, 146278), (671, 121862), (793, 103114), (946, 86437), (1118, 73139), (1199, 68198), (1342, 60931), (1417, 57706), (1586, 51557), (2398, 34099), (2623, 31174), (2834, 28853), (4687, 17446), (5246, 15587), (6149, 13298), (6649, 12298), (8723, 9374)]