71406972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 226017792

約数和(自身を除く): 154610820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 71, 78, 84, 91, 117, 126, 142, 156, 182, 213, 234, 252, 273, 284, 307, 364, 426, 468, 497, 546, 614, 639, 819, 852, 921, 923, 994, 1092, 1228, 1278, 1491, 1638, 1842, 1846, 1988, 2149, 2556, 2763, 2769, 2982, 3276, 3684, 3692, 3991, 4298, 4473, 5526, 5538, 5964, 6447, 6461, 7982, 8307, 8596, 8946, 11052, 11076, 11973, 12894, 12922, 15964, 16614, 17892, 19341, 19383, 21797, 23946, 25788, 25844, 27937, 33228, 35919, 38682, 38766, 43594, 47892, 55874, 58149, 65391, 71838, 77364, 77532, 83811, 87188, 111748, 116298, 130782, 143676, 152579, 167622, 196173, 232596, 251433, 261564, 283361, 305158, 335244, 392346, 457737, 502866, 566722, 610316, 784692, 850083, 915474, 1005732, 1133444, 1373211, 1700166, 1830948, 1983527, 2550249, 2746422, 3400332, 3967054, 5100498, 5492844, 5950581, 7934108, 10200996, 11901162, 17851743, 23802324, 35703486, 71406972]

約数ペア:

[(1, 71406972), (2, 35703486), (3, 23802324), (4, 17851743), (6, 11901162), (7, 10200996), (9, 7934108), (12, 5950581), (13, 5492844), (14, 5100498), (18, 3967054), (21, 3400332), (26, 2746422), (28, 2550249), (36, 1983527), (39, 1830948), (42, 1700166), (52, 1373211), (63, 1133444), (71, 1005732), (78, 915474), (84, 850083), (91, 784692), (117, 610316), (126, 566722), (142, 502866), (156, 457737), (182, 392346), (213, 335244), (234, 305158), (252, 283361), (273, 261564), (284, 251433), (307, 232596), (364, 196173), (426, 167622), (468, 152579), (497, 143676), (546, 130782), (614, 116298), (639, 111748), (819, 87188), (852, 83811), (921, 77532), (923, 77364), (994, 71838), (1092, 65391), (1228, 58149), (1278, 55874), (1491, 47892), (1638, 43594), (1842, 38766), (1846, 38682), (1988, 35919), (2149, 33228), (2556, 27937), (2763, 25844), (2769, 25788), (2982, 23946), (3276, 21797), (3684, 19383), (3692, 19341), (3991, 17892), (4298, 16614), (4473, 15964), (5526, 12922), (5538, 12894), (5964, 11973), (6447, 11076), (6461, 11052), (7982, 8946), (8307, 8596)]