278788536

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2173

約数の個数: 96

約数和(自身を含む): 819000000

約数和(自身を除く): 540211464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 149, 156, 234, 298, 312, 447, 468, 596, 894, 936, 1192, 1341, 1788, 1937, 1999, 2682, 3576, 3874, 3998, 5364, 5811, 5997, 7748, 7996, 10728, 11622, 11994, 15496, 15992, 17433, 17991, 23244, 23988, 25987, 34866, 35982, 46488, 47976, 51974, 69732, 71964, 77961, 103948, 139464, 143928, 155922, 207896, 233883, 297851, 311844, 467766, 595702, 623688, 893553, 935532, 1191404, 1787106, 1871064, 2382808, 2680659, 3574212, 3872063, 5361318, 7148424, 7744126, 10722636, 11616189, 15488252, 21445272, 23232378, 30976504, 34848567, 46464756, 69697134, 92929512, 139394268, 278788536]

約数ペア:

[(1, 278788536), (2, 139394268), (3, 92929512), (4, 69697134), (6, 46464756), (8, 34848567), (9, 30976504), (12, 23232378), (13, 21445272), (18, 15488252), (24, 11616189), (26, 10722636), (36, 7744126), (39, 7148424), (52, 5361318), (72, 3872063), (78, 3574212), (104, 2680659), (117, 2382808), (149, 1871064), (156, 1787106), (234, 1191404), (298, 935532), (312, 893553), (447, 623688), (468, 595702), (596, 467766), (894, 311844), (936, 297851), (1192, 233883), (1341, 207896), (1788, 155922), (1937, 143928), (1999, 139464), (2682, 103948), (3576, 77961), (3874, 71964), (3998, 69732), (5364, 51974), (5811, 47976), (5997, 46488), (7748, 35982), (7996, 34866), (10728, 25987), (11622, 23988), (11994, 23244), (15496, 17991), (15992, 17433)]