31181976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 70424424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 82, 84, 108, 123, 126, 164, 168, 189, 216, 246, 252, 287, 328, 369, 378, 492, 503, 504, 574, 738, 756, 861, 984, 1006, 1107, 1148, 1476, 1509, 1512, 1722, 2012, 2214, 2296, 2583, 2952, 3018, 3444, 3521, 4024, 4428, 4527, 5166, 6036, 6888, 7042, 7749, 8856, 9054, 10332, 10563, 12072, 13581, 14084, 15498, 18108, 20623, 20664, 21126, 27162, 28168, 30996, 31689, 36216, 41246, 42252, 54324, 61869, 61992, 63378, 82492, 84504, 95067, 108648, 123738, 126756, 144361, 164984, 185607, 190134, 247476, 253512, 288722, 371214, 380268, 433083, 494952, 556821, 577444, 742428, 760536, 866166, 1113642, 1154888, 1299249, 1484856, 1732332, 2227284, 2598498, 3464664, 3897747, 4454568, 5196996, 7795494, 10393992, 15590988, 31181976]

約数ペア:

[(1, 31181976), (2, 15590988), (3, 10393992), (4, 7795494), (6, 5196996), (7, 4454568), (8, 3897747), (9, 3464664), (12, 2598498), (14, 2227284), (18, 1732332), (21, 1484856), (24, 1299249), (27, 1154888), (28, 1113642), (36, 866166), (41, 760536), (42, 742428), (54, 577444), (56, 556821), (63, 494952), (72, 433083), (82, 380268), (84, 371214), (108, 288722), (123, 253512), (126, 247476), (164, 190134), (168, 185607), (189, 164984), (216, 144361), (246, 126756), (252, 123738), (287, 108648), (328, 95067), (369, 84504), (378, 82492), (492, 63378), (503, 61992), (504, 61869), (574, 54324), (738, 42252), (756, 41246), (861, 36216), (984, 31689), (1006, 30996), (1107, 28168), (1148, 27162), (1476, 21126), (1509, 20664), (1512, 20623), (1722, 18108), (2012, 15498), (2214, 14084), (2296, 13581), (2583, 12072), (2952, 10563), (3018, 10332), (3444, 9054), (3521, 8856), (4024, 7749), (4428, 7042), (4527, 6888), (5166, 6036)]