1259607856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 2679516000

約数和(自身を除く): 1419908144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 149, 194, 208, 298, 388, 419, 596, 776, 838, 1192, 1261, 1552, 1676, 1937, 2384, 2522, 3352, 3874, 5044, 5447, 6704, 7748, 10088, 10894, 14453, 15496, 20176, 21788, 28906, 30992, 40643, 43576, 57812, 62431, 81286, 87152, 115624, 124862, 162572, 187889, 231248, 249724, 325144, 375778, 499448, 528359, 650288, 751556, 811603, 998896, 1056718, 1503112, 1623206, 2113436, 3006224, 3246412, 4226872, 6055807, 6492824, 8453744, 12111614, 12985648, 24223228, 48446456, 78725491, 96892912, 157450982, 314901964, 629803928, 1259607856]

約数ペア:

[(1, 1259607856), (2, 629803928), (4, 314901964), (8, 157450982), (13, 96892912), (16, 78725491), (26, 48446456), (52, 24223228), (97, 12985648), (104, 12111614), (149, 8453744), (194, 6492824), (208, 6055807), (298, 4226872), (388, 3246412), (419, 3006224), (596, 2113436), (776, 1623206), (838, 1503112), (1192, 1056718), (1261, 998896), (1552, 811603), (1676, 751556), (1937, 650288), (2384, 528359), (2522, 499448), (3352, 375778), (3874, 325144), (5044, 249724), (5447, 231248), (6704, 187889), (7748, 162572), (10088, 124862), (10894, 115624), (14453, 87152), (15496, 81286), (20176, 62431), (21788, 57812), (28906, 43576), (30992, 40643)]