427291228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 96

約数和(自身を含む): 1000509440

約数和(自身を除く): 573218212

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 434, 494, 532, 589, 806, 868, 988, 1178, 1612, 1729, 1993, 2356, 2821, 3458, 3986, 4123, 5642, 6916, 7657, 7972, 8246, 11284, 13951, 15314, 16492, 25909, 27902, 30628, 37867, 51818, 53599, 55804, 61783, 75734, 103636, 107198, 123566, 151468, 181363, 214396, 247132, 265069, 362726, 432481, 492271, 530138, 725452, 803179, 864962, 984542, 1060276, 1173877, 1606358, 1729924, 1969084, 2347754, 3212716, 3445897, 4695508, 5622253, 6891794, 8217139, 11244506, 13783588, 15260401, 16434278, 22489012, 30520802, 32868556, 61041604, 106822807, 213645614, 427291228]

約数ペア:

[(1, 427291228), (2, 213645614), (4, 106822807), (7, 61041604), (13, 32868556), (14, 30520802), (19, 22489012), (26, 16434278), (28, 15260401), (31, 13783588), (38, 11244506), (52, 8217139), (62, 6891794), (76, 5622253), (91, 4695508), (124, 3445897), (133, 3212716), (182, 2347754), (217, 1969084), (247, 1729924), (266, 1606358), (364, 1173877), (403, 1060276), (434, 984542), (494, 864962), (532, 803179), (589, 725452), (806, 530138), (868, 492271), (988, 432481), (1178, 362726), (1612, 265069), (1729, 247132), (1993, 214396), (2356, 181363), (2821, 151468), (3458, 123566), (3986, 107198), (4123, 103636), (5642, 75734), (6916, 61783), (7657, 55804), (7972, 53599), (8246, 51818), (11284, 37867), (13951, 30628), (15314, 27902), (16492, 25909)]