155219916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^2$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 387604224

約数和(自身を除く): 232384308

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 71, 89, 92, 138, 142, 178, 213, 267, 276, 284, 356, 426, 534, 852, 1068, 1633, 2047, 3266, 4094, 4899, 6141, 6319, 6532, 7921, 8188, 9798, 12282, 12638, 15842, 18957, 19596, 23763, 24564, 25276, 31684, 37914, 47526, 75828, 95052, 145337, 182183, 290674, 364366, 436011, 546549, 562391, 581348, 728732, 872022, 1093098, 1124782, 1687173, 1744044, 2186196, 2249564, 3374346, 6748692, 12934993, 25869986, 38804979, 51739972, 77609958, 155219916]

約数ペア:

[(1, 155219916), (2, 77609958), (3, 51739972), (4, 38804979), (6, 25869986), (12, 12934993), (23, 6748692), (46, 3374346), (69, 2249564), (71, 2186196), (89, 1744044), (92, 1687173), (138, 1124782), (142, 1093098), (178, 872022), (213, 728732), (267, 581348), (276, 562391), (284, 546549), (356, 436011), (426, 364366), (534, 290674), (852, 182183), (1068, 145337), (1633, 95052), (2047, 75828), (3266, 47526), (4094, 37914), (4899, 31684), (6141, 25276), (6319, 24564), (6532, 23763), (7921, 19596), (8188, 18957), (9798, 15842), (12282, 12638)]