1291418128

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11519}}^1$

素因数の和:11565

約数の個数: 120

約数和(自身を含む): 3419781120

約数和(自身を除く): 2128362992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 364, 392, 539, 572, 616, 637, 728, 784, 1001, 1078, 1144, 1232, 1274, 1456, 2002, 2156, 2288, 2548, 4004, 4312, 5096, 7007, 8008, 8624, 10192, 11519, 14014, 16016, 23038, 28028, 46076, 56056, 80633, 92152, 112112, 126709, 149747, 161266, 184304, 253418, 299494, 322532, 506836, 564431, 598988, 645064, 886963, 1013672, 1048229, 1128862, 1197976, 1290128, 1647217, 1773926, 2027344, 2096458, 2257724, 2395952, 3294434, 3547852, 4192916, 4515448, 6208741, 6588868, 7095704, 7337603, 8385832, 9030896, 11530519, 12417482, 13177736, 14191408, 14675206, 16771664, 23061038, 24834964, 26355472, 29350412, 46122076, 49669928, 58700824, 80713633, 92244152, 99339856, 117401648, 161427266, 184488304, 322854532, 645709064, 1291418128]

約数ペア:

[(1, 1291418128), (2, 645709064), (4, 322854532), (7, 184488304), (8, 161427266), (11, 117401648), (13, 99339856), (14, 92244152), (16, 80713633), (22, 58700824), (26, 49669928), (28, 46122076), (44, 29350412), (49, 26355472), (52, 24834964), (56, 23061038), (77, 16771664), (88, 14675206), (91, 14191408), (98, 13177736), (104, 12417482), (112, 11530519), (143, 9030896), (154, 8385832), (176, 7337603), (182, 7095704), (196, 6588868), (208, 6208741), (286, 4515448), (308, 4192916), (364, 3547852), (392, 3294434), (539, 2395952), (572, 2257724), (616, 2096458), (637, 2027344), (728, 1773926), (784, 1647217), (1001, 1290128), (1078, 1197976), (1144, 1128862), (1232, 1048229), (1274, 1013672), (1456, 886963), (2002, 645064), (2156, 598988), (2288, 564431), (2548, 506836), (4004, 322532), (4312, 299494), (5096, 253418), (7007, 184304), (8008, 161266), (8624, 149747), (10192, 126709), (11519, 112112), (14014, 92152), (16016, 80633), (23038, 56056), (28028, 46076)]