81581478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 190356480

約数和(自身を除く): 108775002

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 67, 114, 134, 201, 209, 402, 418, 627, 737, 971, 1254, 1273, 1474, 1942, 2211, 2546, 2913, 3819, 4422, 5826, 7638, 10681, 14003, 18449, 21362, 28006, 32043, 36898, 42009, 55347, 64086, 65057, 84018, 110694, 130114, 195171, 202939, 390342, 405878, 608817, 715627, 1217634, 1236083, 1431254, 2146881, 2472166, 3708249, 4293762, 7416498, 13596913, 27193826, 40790739, 81581478]

約数ペア:

[(1, 81581478), (2, 40790739), (3, 27193826), (6, 13596913), (11, 7416498), (19, 4293762), (22, 3708249), (33, 2472166), (38, 2146881), (57, 1431254), (66, 1236083), (67, 1217634), (114, 715627), (134, 608817), (201, 405878), (209, 390342), (402, 202939), (418, 195171), (627, 130114), (737, 110694), (971, 84018), (1254, 65057), (1273, 64086), (1474, 55347), (1942, 42009), (2211, 36898), (2546, 32043), (2913, 28006), (3819, 21362), (4422, 18449), (5826, 14003), (7638, 10681)]