81391284

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 96

約数和(自身を含む): 235200000

約数和(自身を除く): 153808716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 522, 702, 754, 783, 1044, 1131, 1404, 1508, 1566, 1999, 2262, 3132, 3393, 3998, 4524, 5997, 6786, 7996, 10179, 11994, 13572, 17991, 20358, 23988, 25987, 35982, 40716, 51974, 53973, 57971, 71964, 77961, 103948, 107946, 115942, 155922, 173913, 215892, 231884, 233883, 311844, 347826, 467766, 521739, 695652, 701649, 753623, 935532, 1043478, 1403298, 1507246, 1565217, 2086956, 2260869, 2806596, 3014492, 3130434, 4521738, 6260868, 6782607, 9043476, 13565214, 20347821, 27130428, 40695642, 81391284]

約数ペア:

[(1, 81391284), (2, 40695642), (3, 27130428), (4, 20347821), (6, 13565214), (9, 9043476), (12, 6782607), (13, 6260868), (18, 4521738), (26, 3130434), (27, 3014492), (29, 2806596), (36, 2260869), (39, 2086956), (52, 1565217), (54, 1507246), (58, 1403298), (78, 1043478), (87, 935532), (108, 753623), (116, 701649), (117, 695652), (156, 521739), (174, 467766), (234, 347826), (261, 311844), (348, 233883), (351, 231884), (377, 215892), (468, 173913), (522, 155922), (702, 115942), (754, 107946), (783, 103948), (1044, 77961), (1131, 71964), (1404, 57971), (1508, 53973), (1566, 51974), (1999, 40716), (2262, 35982), (3132, 25987), (3393, 23988), (3998, 20358), (4524, 17991), (5997, 13572), (6786, 11994), (7996, 10179)]