17681768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 38601360

約数和(自身を除く): 20919592

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 73, 104, 136, 137, 146, 221, 274, 292, 442, 548, 584, 884, 949, 1096, 1241, 1768, 1781, 1898, 2329, 2482, 3562, 3796, 4658, 4964, 7124, 7592, 9316, 9928, 10001, 14248, 16133, 18632, 20002, 30277, 32266, 40004, 60554, 64532, 80008, 121108, 129064, 130013, 170017, 242216, 260026, 340034, 520052, 680068, 1040104, 1360136, 2210221, 4420442, 8840884, 17681768]

約数ペア:

[(1, 17681768), (2, 8840884), (4, 4420442), (8, 2210221), (13, 1360136), (17, 1040104), (26, 680068), (34, 520052), (52, 340034), (68, 260026), (73, 242216), (104, 170017), (136, 130013), (137, 129064), (146, 121108), (221, 80008), (274, 64532), (292, 60554), (442, 40004), (548, 32266), (584, 30277), (884, 20002), (949, 18632), (1096, 16133), (1241, 14248), (1768, 10001), (1781, 9928), (1898, 9316), (2329, 7592), (2482, 7124), (3562, 4964), (3796, 4658)]