78512668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 158495568

約数和(自身を除く): 79982900

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 73, 74, 86, 146, 148, 169, 172, 292, 338, 481, 559, 676, 949, 962, 1118, 1591, 1898, 1924, 2236, 2701, 3139, 3182, 3796, 5402, 6253, 6278, 6364, 7267, 10804, 12337, 12506, 12556, 14534, 20683, 24674, 25012, 29068, 35113, 40807, 41366, 49348, 70226, 81614, 82732, 116143, 140452, 163228, 232286, 268879, 456469, 464572, 530491, 537758, 912938, 1060982, 1075516, 1509859, 1825876, 2121964, 3019718, 6039436, 19628167, 39256334, 78512668]

約数ペア:

[(1, 78512668), (2, 39256334), (4, 19628167), (13, 6039436), (26, 3019718), (37, 2121964), (43, 1825876), (52, 1509859), (73, 1075516), (74, 1060982), (86, 912938), (146, 537758), (148, 530491), (169, 464572), (172, 456469), (292, 268879), (338, 232286), (481, 163228), (559, 140452), (676, 116143), (949, 82732), (962, 81614), (1118, 70226), (1591, 49348), (1898, 41366), (1924, 40807), (2236, 35113), (2701, 29068), (3139, 25012), (3182, 24674), (3796, 20683), (5402, 14534), (6253, 12556), (6278, 12506), (6364, 12337), (7267, 10804)]