421961176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 1017192960

約数和(自身を除く): 595231784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 67, 82, 91, 104, 134, 164, 182, 211, 268, 287, 328, 364, 422, 469, 533, 536, 574, 728, 844, 871, 938, 1066, 1148, 1477, 1688, 1742, 1876, 2132, 2296, 2743, 2747, 2954, 3484, 3731, 3752, 4264, 5486, 5494, 5908, 6097, 6968, 7462, 8651, 10972, 10988, 11816, 12194, 14137, 14924, 17302, 19201, 19229, 21944, 21976, 24388, 28274, 29848, 34604, 35711, 38402, 38458, 48776, 56548, 60557, 69208, 71422, 76804, 76916, 98959, 112463, 113096, 121114, 142844, 153608, 153832, 183781, 197918, 224926, 242228, 249977, 285688, 367562, 395836, 449852, 484456, 499954, 579617, 735124, 787241, 791672, 899704, 999908, 1159234, 1286467, 1470248, 1574482, 1999816, 2318468, 2572934, 3148964, 4057319, 4636936, 5145868, 6297928, 7535021, 8114638, 10291736, 15070042, 16229276, 30140084, 32458552, 52745147, 60280168, 105490294, 210980588, 421961176]

約数ペア:

[(1, 421961176), (2, 210980588), (4, 105490294), (7, 60280168), (8, 52745147), (13, 32458552), (14, 30140084), (26, 16229276), (28, 15070042), (41, 10291736), (52, 8114638), (56, 7535021), (67, 6297928), (82, 5145868), (91, 4636936), (104, 4057319), (134, 3148964), (164, 2572934), (182, 2318468), (211, 1999816), (268, 1574482), (287, 1470248), (328, 1286467), (364, 1159234), (422, 999908), (469, 899704), (533, 791672), (536, 787241), (574, 735124), (728, 579617), (844, 499954), (871, 484456), (938, 449852), (1066, 395836), (1148, 367562), (1477, 285688), (1688, 249977), (1742, 242228), (1876, 224926), (2132, 197918), (2296, 183781), (2743, 153832), (2747, 153608), (2954, 142844), (3484, 121114), (3731, 113096), (3752, 112463), (4264, 98959), (5486, 76916), (5494, 76804), (5908, 71422), (6097, 69208), (6968, 60557), (7462, 56548), (8651, 48776), (10972, 38458), (10988, 38402), (11816, 35711), (12194, 34604), (14137, 29848), (14924, 28274), (17302, 24388), (19201, 21976), (19229, 21944)]