293237308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 655872000

約数和(自身を除く): 362634692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 1999, 2366, 2821, 3998, 4732, 5239, 5642, 7996, 10478, 11284, 13993, 20956, 25987, 27986, 36673, 51974, 55972, 61969, 73346, 103948, 123938, 146692, 181909, 247876, 337831, 363818, 433783, 675662, 727636, 805597, 867566, 1351324, 1611194, 1735132, 2364817, 3222388, 4729634, 5639179, 9459268, 10472761, 11278358, 20945522, 22556716, 41891044, 73309327, 146618654, 293237308]

約数ペア:

[(1, 293237308), (2, 146618654), (4, 73309327), (7, 41891044), (13, 22556716), (14, 20945522), (26, 11278358), (28, 10472761), (31, 9459268), (52, 5639179), (62, 4729634), (91, 3222388), (124, 2364817), (169, 1735132), (182, 1611194), (217, 1351324), (338, 867566), (364, 805597), (403, 727636), (434, 675662), (676, 433783), (806, 363818), (868, 337831), (1183, 247876), (1612, 181909), (1999, 146692), (2366, 123938), (2821, 103948), (3998, 73346), (4732, 61969), (5239, 55972), (5642, 51974), (7996, 36673), (10478, 27986), (11284, 25987), (13993, 20956)]