278455216

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 624937680

約数和(自身を除く): 346482464

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 53, 58, 67, 104, 106, 116, 134, 169, 208, 212, 232, 268, 338, 377, 424, 464, 536, 676, 689, 754, 848, 871, 1072, 1352, 1378, 1508, 1537, 1742, 1943, 2704, 2756, 3016, 3074, 3484, 3551, 3886, 4901, 5512, 6032, 6148, 6968, 7102, 7772, 8957, 9802, 11024, 11323, 12296, 13936, 14204, 15544, 17914, 19604, 19981, 22646, 24592, 25259, 28408, 31088, 35828, 39208, 39962, 45292, 46163, 50518, 56816, 71656, 78416, 79924, 90584, 92326, 101036, 102979, 143312, 159848, 181168, 184652, 202072, 205958, 259753, 319696, 328367, 369304, 404144, 411916, 519506, 600119, 656734, 738608, 823832, 1039012, 1200238, 1313468, 1338727, 1647664, 2078024, 2400476, 2626936, 2677454, 4156048, 4800952, 5253872, 5354908, 9601904, 10709816, 17403451, 21419632, 34806902, 69613804, 139227608, 278455216]

約数ペア:

[(1, 278455216), (2, 139227608), (4, 69613804), (8, 34806902), (13, 21419632), (16, 17403451), (26, 10709816), (29, 9601904), (52, 5354908), (53, 5253872), (58, 4800952), (67, 4156048), (104, 2677454), (106, 2626936), (116, 2400476), (134, 2078024), (169, 1647664), (208, 1338727), (212, 1313468), (232, 1200238), (268, 1039012), (338, 823832), (377, 738608), (424, 656734), (464, 600119), (536, 519506), (676, 411916), (689, 404144), (754, 369304), (848, 328367), (871, 319696), (1072, 259753), (1352, 205958), (1378, 202072), (1508, 184652), (1537, 181168), (1742, 159848), (1943, 143312), (2704, 102979), (2756, 101036), (3016, 92326), (3074, 90584), (3484, 79924), (3551, 78416), (3886, 71656), (4901, 56816), (5512, 50518), (6032, 46163), (6148, 45292), (6968, 39962), (7102, 39208), (7772, 35828), (8957, 31088), (9802, 28408), (11024, 25259), (11323, 24592), (12296, 22646), (13936, 19981), (14204, 19604), (15544, 17914)]