81503214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 184923648

約数和(自身を除く): 103420434

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 181, 251, 299, 362, 502, 543, 598, 753, 897, 1086, 1506, 1794, 2353, 3263, 4163, 4706, 5773, 6526, 7059, 8326, 9789, 11546, 12489, 14118, 17319, 19578, 24978, 34638, 45431, 54119, 75049, 90862, 108238, 136293, 150098, 162357, 225147, 272586, 324714, 450294, 590603, 1044913, 1181206, 1771809, 2089826, 3134739, 3543618, 6269478, 13583869, 27167738, 40751607, 81503214]

約数ペア:

[(1, 81503214), (2, 40751607), (3, 27167738), (6, 13583869), (13, 6269478), (23, 3543618), (26, 3134739), (39, 2089826), (46, 1771809), (69, 1181206), (78, 1044913), (138, 590603), (181, 450294), (251, 324714), (299, 272586), (362, 225147), (502, 162357), (543, 150098), (598, 136293), (753, 108238), (897, 90862), (1086, 75049), (1506, 54119), (1794, 45431), (2353, 34638), (3263, 24978), (4163, 19578), (4706, 17319), (5773, 14118), (6526, 12489), (7059, 11546), (8326, 9789)]