13978328

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 33170580

約数和(自身を除く): 19192252

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 211, 338, 364, 392, 422, 637, 676, 728, 844, 1183, 1274, 1352, 1477, 1688, 2366, 2548, 2743, 2954, 4732, 5096, 5486, 5908, 8281, 9464, 10339, 10972, 11816, 16562, 19201, 20678, 21944, 33124, 35659, 38402, 41356, 66248, 71318, 76804, 82712, 134407, 142636, 153608, 249613, 268814, 285272, 499226, 537628, 998452, 1075256, 1747291, 1996904, 3494582, 6989164, 13978328]

約数ペア:

[(1, 13978328), (2, 6989164), (4, 3494582), (7, 1996904), (8, 1747291), (13, 1075256), (14, 998452), (26, 537628), (28, 499226), (49, 285272), (52, 268814), (56, 249613), (91, 153608), (98, 142636), (104, 134407), (169, 82712), (182, 76804), (196, 71318), (211, 66248), (338, 41356), (364, 38402), (392, 35659), (422, 33124), (637, 21944), (676, 20678), (728, 19201), (844, 16562), (1183, 11816), (1274, 10972), (1352, 10339), (1477, 9464), (1688, 8281), (2366, 5908), (2548, 5486), (2743, 5096), (2954, 4732)]