31990452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 86929920

約数和(自身を除く): 54939468

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 172, 228, 247, 251, 258, 494, 502, 516, 559, 741, 753, 817, 988, 1004, 1118, 1482, 1506, 1634, 1677, 2236, 2451, 2964, 3012, 3263, 3268, 3354, 4769, 4902, 6526, 6708, 9538, 9789, 9804, 10621, 10793, 13052, 14307, 19076, 19578, 21242, 21586, 28614, 31863, 32379, 39156, 42484, 43172, 57228, 61997, 63726, 64758, 123994, 127452, 129516, 140309, 185991, 205067, 247988, 280618, 371982, 410134, 420927, 561236, 615201, 743964, 820268, 841854, 1230402, 1683708, 2460804, 2665871, 5331742, 7997613, 10663484, 15995226, 31990452]

約数ペア:

[(1, 31990452), (2, 15995226), (3, 10663484), (4, 7997613), (6, 5331742), (12, 2665871), (13, 2460804), (19, 1683708), (26, 1230402), (38, 841854), (39, 820268), (43, 743964), (52, 615201), (57, 561236), (76, 420927), (78, 410134), (86, 371982), (114, 280618), (129, 247988), (156, 205067), (172, 185991), (228, 140309), (247, 129516), (251, 127452), (258, 123994), (494, 64758), (502, 63726), (516, 61997), (559, 57228), (741, 43172), (753, 42484), (817, 39156), (988, 32379), (1004, 31863), (1118, 28614), (1482, 21586), (1506, 21242), (1634, 19578), (1677, 19076), (2236, 14307), (2451, 13052), (2964, 10793), (3012, 10621), (3263, 9804), (3268, 9789), (3354, 9538), (4769, 6708), (4902, 6526)]