311151372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{27851}}^1$

素因数の和:27891

約数の個数: 72

約数和(自身を含む): 889035840

約数和(自身を除く): 577884468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 27851, 55702, 83553, 111404, 167106, 194957, 334212, 389914, 529169, 584871, 779828, 1058338, 1169742, 1364699, 1587507, 2116676, 2339484, 2729398, 3175014, 3704183, 4094097, 5458796, 6350028, 7408366, 8188194, 11112549, 14816732, 16376388, 22225098, 25929281, 44450196, 51858562, 77787843, 103717124, 155575686, 311151372]

約数ペア:

[(1, 311151372), (2, 155575686), (3, 103717124), (4, 77787843), (6, 51858562), (7, 44450196), (12, 25929281), (14, 22225098), (19, 16376388), (21, 14816732), (28, 11112549), (38, 8188194), (42, 7408366), (49, 6350028), (57, 5458796), (76, 4094097), (84, 3704183), (98, 3175014), (114, 2729398), (133, 2339484), (147, 2116676), (196, 1587507), (228, 1364699), (266, 1169742), (294, 1058338), (399, 779828), (532, 584871), (588, 529169), (798, 389914), (931, 334212), (1596, 194957), (1862, 167106), (2793, 111404), (3724, 83553), (5586, 55702), (11172, 27851)]