247996892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1201}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 538563312

約数和(自身を除く): 290566420

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 361, 418, 494, 572, 722, 836, 988, 1201, 1444, 2402, 2717, 3971, 4693, 4804, 5434, 7942, 9386, 10868, 13211, 15613, 15884, 18772, 22819, 26422, 31226, 45638, 51623, 52844, 62452, 91276, 103246, 171743, 206492, 251009, 296647, 343486, 433561, 502018, 593294, 686972, 867122, 1004036, 1186588, 1734244, 3263117, 4769171, 5636293, 6526234, 9538342, 11272586, 13052468, 19076684, 22545172, 61999223, 123998446, 247996892]

約数ペア:

[(1, 247996892), (2, 123998446), (4, 61999223), (11, 22545172), (13, 19076684), (19, 13052468), (22, 11272586), (26, 9538342), (38, 6526234), (44, 5636293), (52, 4769171), (76, 3263117), (143, 1734244), (209, 1186588), (247, 1004036), (286, 867122), (361, 686972), (418, 593294), (494, 502018), (572, 433561), (722, 343486), (836, 296647), (988, 251009), (1201, 206492), (1444, 171743), (2402, 103246), (2717, 91276), (3971, 62452), (4693, 52844), (4804, 51623), (5434, 45638), (7942, 31226), (9386, 26422), (10868, 22819), (13211, 18772), (15613, 15884)]