278331396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 757693440

約数和(自身を除く): 479362044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 173, 179, 214, 321, 346, 358, 428, 519, 537, 642, 692, 716, 749, 1038, 1074, 1211, 1253, 1284, 1498, 2076, 2148, 2247, 2422, 2506, 2996, 3633, 3759, 4494, 4844, 5012, 7266, 7518, 8988, 14532, 15036, 18511, 19153, 30967, 37022, 38306, 55533, 57459, 61934, 74044, 76612, 92901, 111066, 114918, 123868, 129577, 134071, 185802, 216769, 222132, 229836, 259154, 268142, 371604, 388731, 402213, 433538, 518308, 536284, 650307, 777462, 804426, 867076, 1300614, 1554924, 1608852, 2601228, 3313469, 6626938, 9940407, 13253876, 19880814, 23194283, 39761628, 46388566, 69582849, 92777132, 139165698, 278331396]

約数ペア:

[(1, 278331396), (2, 139165698), (3, 92777132), (4, 69582849), (6, 46388566), (7, 39761628), (12, 23194283), (14, 19880814), (21, 13253876), (28, 9940407), (42, 6626938), (84, 3313469), (107, 2601228), (173, 1608852), (179, 1554924), (214, 1300614), (321, 867076), (346, 804426), (358, 777462), (428, 650307), (519, 536284), (537, 518308), (642, 433538), (692, 402213), (716, 388731), (749, 371604), (1038, 268142), (1074, 259154), (1211, 229836), (1253, 222132), (1284, 216769), (1498, 185802), (2076, 134071), (2148, 129577), (2247, 123868), (2422, 114918), (2506, 111066), (2996, 92901), (3633, 76612), (3759, 74044), (4494, 61934), (4844, 57459), (5012, 55533), (7266, 38306), (7518, 37022), (8988, 30967), (14532, 19153), (15036, 18511)]