291220132

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 637072128

約数和(自身を除く): 345851996

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 71, 98, 119, 142, 196, 238, 284, 476, 497, 833, 994, 1207, 1231, 1666, 1988, 2414, 2462, 3332, 3479, 4828, 4924, 6958, 8449, 8617, 13916, 16898, 17234, 20927, 33796, 34468, 41854, 59143, 60319, 83708, 87401, 118286, 120638, 146489, 174802, 236572, 241276, 292978, 349604, 585956, 611807, 1025423, 1223614, 1485817, 2050846, 2447228, 2971634, 4101692, 4282649, 5943268, 8565298, 10400719, 17130596, 20801438, 41602876, 72805033, 145610066, 291220132]

約数ペア:

[(1, 291220132), (2, 145610066), (4, 72805033), (7, 41602876), (14, 20801438), (17, 17130596), (28, 10400719), (34, 8565298), (49, 5943268), (68, 4282649), (71, 4101692), (98, 2971634), (119, 2447228), (142, 2050846), (196, 1485817), (238, 1223614), (284, 1025423), (476, 611807), (497, 585956), (833, 349604), (994, 292978), (1207, 241276), (1231, 236572), (1666, 174802), (1988, 146489), (2414, 120638), (2462, 118286), (3332, 87401), (3479, 83708), (4828, 60319), (4924, 59143), (6958, 41854), (8449, 34468), (8617, 33796), (13916, 20927), (16898, 17234)]