209745649204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1429837}}^1$

素因数の和:1429905

約数の個数: 72

約数和(自身を含む): 468895354368

約数和(自身を除く): 259149705164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 20956, 36673, 73346, 146692, 1429837, 2859674, 5719348, 10008859, 18587881, 20017718, 37175762, 40035436, 44324947, 74351524, 88649894, 130115167, 177299788, 241642453, 260230334, 310274629, 483284906, 520460668, 576224311, 620549258, 966569812, 1152448622, 1241098516, 1691497171, 2304897244, 3382994342, 4033570177, 6765988684, 7490916043, 8067140354, 14981832086, 16134280708, 29963664172, 52436412301, 104872824602, 209745649204]

約数ペア:

[(1, 209745649204), (2, 104872824602), (4, 52436412301), (7, 29963664172), (13, 16134280708), (14, 14981832086), (26, 8067140354), (28, 7490916043), (31, 6765988684), (52, 4033570177), (62, 3382994342), (91, 2304897244), (124, 1691497171), (169, 1241098516), (182, 1152448622), (217, 966569812), (338, 620549258), (364, 576224311), (403, 520460668), (434, 483284906), (676, 310274629), (806, 260230334), (868, 241642453), (1183, 177299788), (1612, 130115167), (2366, 88649894), (2821, 74351524), (4732, 44324947), (5239, 40035436), (5642, 37175762), (10478, 20017718), (11284, 18587881), (20956, 10008859), (36673, 5719348), (73346, 2859674), (146692, 1429837)]