898144688

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{617}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 2046993984

約数和(自身を除く): 1148849296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 317, 328, 574, 617, 634, 656, 1148, 1234, 1268, 2219, 2296, 2468, 2536, 4319, 4438, 4592, 4936, 5072, 8638, 8876, 9872, 12997, 17276, 17752, 25297, 25994, 34552, 35504, 50594, 51988, 69104, 90979, 101188, 103976, 177079, 181958, 195589, 202376, 207952, 354158, 363916, 391178, 404752, 708316, 727832, 782356, 1369123, 1416632, 1455664, 1564712, 2738246, 2833264, 3129424, 5476492, 8019149, 10952984, 16038298, 21905968, 32076596, 56134043, 64153192, 112268086, 128306384, 224536172, 449072344, 898144688]

約数ペア:

[(1, 898144688), (2, 449072344), (4, 224536172), (7, 128306384), (8, 112268086), (14, 64153192), (16, 56134043), (28, 32076596), (41, 21905968), (56, 16038298), (82, 10952984), (112, 8019149), (164, 5476492), (287, 3129424), (317, 2833264), (328, 2738246), (574, 1564712), (617, 1455664), (634, 1416632), (656, 1369123), (1148, 782356), (1234, 727832), (1268, 708316), (2219, 404752), (2296, 391178), (2468, 363916), (2536, 354158), (4319, 207952), (4438, 202376), (4592, 195589), (4936, 181958), (5072, 177079), (8638, 103976), (8876, 101188), (9872, 90979), (12997, 69104), (17276, 51988), (17752, 50594), (25297, 35504), (25994, 34552)]