259438989056

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{78191}}^1$

素因数の和:79217

約数の個数: 72

約数和(自身を含む): 558266796864

約数和(自身を除く): 298827807808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 997, 1664, 1994, 3328, 3988, 7976, 12961, 15952, 25922, 31904, 51844, 63808, 78191, 103688, 127616, 156382, 207376, 255232, 312764, 414752, 625528, 829504, 1016483, 1251056, 1659008, 2032966, 2502112, 3318016, 4065932, 5004224, 8131864, 10008448, 16263728, 20016896, 32527456, 65054912, 77956427, 130109824, 155912854, 260219648, 311825708, 623651416, 1013433551, 1247302832, 2026867102, 2494605664, 4053734204, 4989211328, 8107468408, 9978422656, 16214936816, 19956845312, 32429873632, 64859747264, 129719494528, 259438989056]

約数ペア:

[(1, 259438989056), (2, 129719494528), (4, 64859747264), (8, 32429873632), (13, 19956845312), (16, 16214936816), (26, 9978422656), (32, 8107468408), (52, 4989211328), (64, 4053734204), (104, 2494605664), (128, 2026867102), (208, 1247302832), (256, 1013433551), (416, 623651416), (832, 311825708), (997, 260219648), (1664, 155912854), (1994, 130109824), (3328, 77956427), (3988, 65054912), (7976, 32527456), (12961, 20016896), (15952, 16263728), (25922, 10008448), (31904, 8131864), (51844, 5004224), (63808, 4065932), (78191, 3318016), (103688, 2502112), (127616, 2032966), (156382, 1659008), (207376, 1251056), (255232, 1016483), (312764, 829504), (414752, 625528)]