61991748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 195686400

約数和(自身を除く): 133694652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 127, 149, 156, 182, 234, 252, 254, 273, 298, 364, 381, 447, 468, 508, 546, 596, 762, 819, 889, 894, 1043, 1092, 1143, 1341, 1524, 1638, 1651, 1778, 1788, 1937, 2086, 2286, 2667, 2682, 3129, 3276, 3302, 3556, 3874, 4172, 4572, 4953, 5334, 5364, 5811, 6258, 6604, 7748, 8001, 9387, 9906, 10668, 11557, 11622, 12516, 13559, 14859, 16002, 17433, 18774, 18923, 19812, 23114, 23244, 27118, 29718, 32004, 34671, 34866, 37548, 37846, 40677, 46228, 54236, 56769, 59436, 69342, 69732, 75692, 81354, 104013, 113538, 122031, 132461, 138684, 162708, 170307, 208026, 227076, 244062, 245999, 264922, 340614, 397383, 416052, 488124, 491998, 529844, 681228, 737997, 794766, 983996, 1192149, 1475994, 1589532, 1721993, 2213991, 2384298, 2951988, 3443986, 4427982, 4768596, 5165979, 6887972, 8855964, 10331958, 15497937, 20663916, 30995874, 61991748]

約数ペア:

[(1, 61991748), (2, 30995874), (3, 20663916), (4, 15497937), (6, 10331958), (7, 8855964), (9, 6887972), (12, 5165979), (13, 4768596), (14, 4427982), (18, 3443986), (21, 2951988), (26, 2384298), (28, 2213991), (36, 1721993), (39, 1589532), (42, 1475994), (52, 1192149), (63, 983996), (78, 794766), (84, 737997), (91, 681228), (117, 529844), (126, 491998), (127, 488124), (149, 416052), (156, 397383), (182, 340614), (234, 264922), (252, 245999), (254, 244062), (273, 227076), (298, 208026), (364, 170307), (381, 162708), (447, 138684), (468, 132461), (508, 122031), (546, 113538), (596, 104013), (762, 81354), (819, 75692), (889, 69732), (894, 69342), (1043, 59436), (1092, 56769), (1143, 54236), (1341, 46228), (1524, 40677), (1638, 37846), (1651, 37548), (1778, 34866), (1788, 34671), (1937, 32004), (2086, 29718), (2286, 27118), (2667, 23244), (2682, 23114), (3129, 19812), (3276, 18923), (3302, 18774), (3556, 17433), (3874, 16002), (4172, 14859), (4572, 13559), (4953, 12516), (5334, 11622), (5364, 11557), (5811, 10668), (6258, 9906), (6604, 9387), (7748, 8001)]