138900776

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{15217}}^1$

素因数の和:15393

約数の個数: 32

約数和(自身を含む): 299490240

約数和(自身を除く): 160589464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4564, 9128, 15217, 30434, 60868, 106519, 121736, 213038, 426076, 852152, 2480371, 4960742, 9921484, 17362597, 19842968, 34725194, 69450388, 138900776]

約数ペア:

[(1, 138900776), (2, 69450388), (4, 34725194), (7, 19842968), (8, 17362597), (14, 9921484), (28, 4960742), (56, 2480371), (163, 852152), (326, 426076), (652, 213038), (1141, 121736), (1304, 106519), (2282, 60868), (4564, 30434), (9128, 15217)]