38621908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 80344320

約数和(自身を除く): 41722412

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 97, 124, 169, 194, 247, 338, 388, 403, 494, 589, 676, 806, 988, 1178, 1261, 1612, 1843, 2356, 2522, 3007, 3211, 3686, 5044, 5239, 6014, 6422, 7372, 7657, 10478, 12028, 12844, 15314, 16393, 20956, 23959, 30628, 32786, 39091, 47918, 57133, 65572, 78182, 95836, 99541, 114266, 156364, 199082, 228532, 311467, 398164, 508183, 622934, 742729, 1016366, 1245868, 1485458, 2032732, 2970916, 9655477, 19310954, 38621908]

約数ペア:

[(1, 38621908), (2, 19310954), (4, 9655477), (13, 2970916), (19, 2032732), (26, 1485458), (31, 1245868), (38, 1016366), (52, 742729), (62, 622934), (76, 508183), (97, 398164), (124, 311467), (169, 228532), (194, 199082), (247, 156364), (338, 114266), (388, 99541), (403, 95836), (494, 78182), (589, 65572), (676, 57133), (806, 47918), (988, 39091), (1178, 32786), (1261, 30628), (1612, 23959), (1843, 20956), (2356, 16393), (2522, 15314), (3007, 12844), (3211, 12028), (3686, 10478), (5044, 7657), (5239, 7372), (6014, 6422)]