1278889464

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{3163}}^1$

素因数の和:4180

約数の個数: 64

約数和(自身を含む): 3389783040

約数和(自身を除く): 2110893576

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 991, 1982, 2973, 3163, 3964, 5946, 6326, 7928, 9489, 11892, 12652, 16847, 18978, 23784, 25304, 33694, 37956, 50541, 53771, 67388, 75912, 101082, 107542, 134776, 161313, 202164, 215084, 322626, 404328, 430168, 645252, 1290504, 3134533, 6269066, 9403599, 12538132, 18807198, 25076264, 37614396, 53287061, 75228792, 106574122, 159861183, 213148244, 319722366, 426296488, 639444732, 1278889464]

約数ペア:

[(1, 1278889464), (2, 639444732), (3, 426296488), (4, 319722366), (6, 213148244), (8, 159861183), (12, 106574122), (17, 75228792), (24, 53287061), (34, 37614396), (51, 25076264), (68, 18807198), (102, 12538132), (136, 9403599), (204, 6269066), (408, 3134533), (991, 1290504), (1982, 645252), (2973, 430168), (3163, 404328), (3964, 322626), (5946, 215084), (6326, 202164), (7928, 161313), (9489, 134776), (11892, 107542), (12652, 101082), (16847, 75912), (18978, 67388), (23784, 53771), (25304, 50541), (33694, 37956)]