13991068

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:84

約数の個数: 108

約数和(自身を含む): 34298040

約数和(自身を除く): 20306972

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 49, 52, 68, 76, 91, 98, 119, 133, 182, 196, 221, 238, 247, 266, 289, 323, 364, 442, 476, 494, 532, 578, 637, 646, 833, 884, 931, 988, 1156, 1274, 1292, 1547, 1666, 1729, 1862, 2023, 2261, 2548, 3094, 3332, 3458, 3724, 3757, 4046, 4199, 4522, 5491, 6188, 6916, 7514, 8092, 8398, 9044, 10829, 10982, 12103, 14161, 15028, 15827, 16796, 21658, 21964, 24206, 26299, 28322, 29393, 31654, 38437, 43316, 48412, 52598, 56644, 58786, 63308, 71383, 76874, 105196, 117572, 142766, 153748, 184093, 205751, 269059, 285532, 368186, 411502, 499681, 538118, 736372, 823004, 999362, 1076236, 1998724, 3497767, 6995534, 13991068]

約数ペア:

[(1, 13991068), (2, 6995534), (4, 3497767), (7, 1998724), (13, 1076236), (14, 999362), (17, 823004), (19, 736372), (26, 538118), (28, 499681), (34, 411502), (38, 368186), (49, 285532), (52, 269059), (68, 205751), (76, 184093), (91, 153748), (98, 142766), (119, 117572), (133, 105196), (182, 76874), (196, 71383), (221, 63308), (238, 58786), (247, 56644), (266, 52598), (289, 48412), (323, 43316), (364, 38437), (442, 31654), (476, 29393), (494, 28322), (532, 26299), (578, 24206), (637, 21964), (646, 21658), (833, 16796), (884, 15827), (931, 15028), (988, 14161), (1156, 12103), (1274, 10982), (1292, 10829), (1547, 9044), (1666, 8398), (1729, 8092), (1862, 7514), (2023, 6916), (2261, 6188), (2548, 5491), (3094, 4522), (3332, 4199), (3458, 4046), (3724, 3757)]