31251276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 97493760

約数和(自身を除く): 66242484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 107, 114, 122, 126, 133, 171, 183, 214, 228, 244, 252, 266, 321, 342, 366, 399, 427, 428, 532, 549, 642, 684, 732, 749, 798, 854, 963, 1098, 1159, 1197, 1281, 1284, 1498, 1596, 1708, 1926, 2033, 2196, 2247, 2318, 2394, 2562, 2996, 3477, 3843, 3852, 4066, 4494, 4636, 4788, 5124, 6099, 6527, 6741, 6954, 7686, 8113, 8132, 8988, 10431, 12198, 13054, 13482, 13908, 14231, 15372, 16226, 18297, 19581, 20862, 24339, 24396, 26108, 26964, 28462, 32452, 36594, 39162, 41724, 42693, 45689, 48678, 56924, 58743, 73017, 73188, 78324, 85386, 91378, 97356, 117486, 124013, 128079, 137067, 146034, 170772, 182756, 234972, 248026, 256158, 274134, 292068, 372039, 411201, 496052, 512316, 548268, 744078, 822402, 868091, 1116117, 1488156, 1644804, 1736182, 2232234, 2604273, 3472364, 4464468, 5208546, 7812819, 10417092, 15625638, 31251276]

約数ペア:

[(1, 31251276), (2, 15625638), (3, 10417092), (4, 7812819), (6, 5208546), (7, 4464468), (9, 3472364), (12, 2604273), (14, 2232234), (18, 1736182), (19, 1644804), (21, 1488156), (28, 1116117), (36, 868091), (38, 822402), (42, 744078), (57, 548268), (61, 512316), (63, 496052), (76, 411201), (84, 372039), (107, 292068), (114, 274134), (122, 256158), (126, 248026), (133, 234972), (171, 182756), (183, 170772), (214, 146034), (228, 137067), (244, 128079), (252, 124013), (266, 117486), (321, 97356), (342, 91378), (366, 85386), (399, 78324), (427, 73188), (428, 73017), (532, 58743), (549, 56924), (642, 48678), (684, 45689), (732, 42693), (749, 41724), (798, 39162), (854, 36594), (963, 32452), (1098, 28462), (1159, 26964), (1197, 26108), (1281, 24396), (1284, 24339), (1498, 20862), (1596, 19581), (1708, 18297), (1926, 16226), (2033, 15372), (2196, 14231), (2247, 13908), (2318, 13482), (2394, 13054), (2562, 12198), (2996, 10431), (3477, 8988), (3843, 8132), (3852, 8113), (4066, 7686), (4494, 6954), (4636, 6741), (4788, 6527), (5124, 6099)]