131467218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 287539200

約数和(自身を除く): 156071982

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 79, 93, 138, 158, 186, 237, 389, 474, 713, 778, 1167, 1426, 1817, 2139, 2334, 2449, 3634, 4278, 4898, 5451, 7347, 8947, 10902, 12059, 14694, 17894, 24118, 26841, 30731, 36177, 53682, 56327, 61462, 72354, 92193, 112654, 168981, 184386, 277357, 337962, 554714, 706813, 832071, 952661, 1413626, 1664142, 1905322, 2120439, 2857983, 4240878, 5715966, 21911203, 43822406, 65733609, 131467218]

約数ペア:

[(1, 131467218), (2, 65733609), (3, 43822406), (6, 21911203), (23, 5715966), (31, 4240878), (46, 2857983), (62, 2120439), (69, 1905322), (79, 1664142), (93, 1413626), (138, 952661), (158, 832071), (186, 706813), (237, 554714), (389, 337962), (474, 277357), (713, 184386), (778, 168981), (1167, 112654), (1426, 92193), (1817, 72354), (2139, 61462), (2334, 56327), (2449, 53682), (3634, 36177), (4278, 30731), (4898, 26841), (5451, 24118), (7347, 17894), (8947, 14694), (10902, 12059)]