207742409

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 50305591

約数列:

[1, 7, 19, 49, 127, 133, 251, 343, 889, 931, 1757, 2413, 4769, 6223, 6517, 12299, 16891, 31877, 33383, 43561, 86093, 118237, 223139, 233681, 605663, 827659, 1561973, 1635767, 4239641, 10933811, 29677487, 207742409]

約数ペア:

[(1, 207742409), (7, 29677487), (19, 10933811), (49, 4239641), (127, 1635767), (133, 1561973), (251, 827659), (343, 605663), (889, 233681), (931, 223139), (1757, 118237), (2413, 86093), (4769, 43561), (6223, 33383), (6517, 31877), (12299, 16891)]