221640156

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4603

約数の個数: 72

約数和(自身を含む): 592038720

約数和(自身を除く): 370398564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 423, 522, 564, 846, 1044, 1363, 1692, 2726, 4089, 4517, 5452, 8178, 9034, 12267, 13551, 16356, 18068, 24534, 27102, 40653, 49068, 54204, 81306, 130993, 162612, 212299, 261986, 392979, 424598, 523972, 636897, 785958, 849196, 1178937, 1273794, 1571916, 1910691, 2357874, 2547588, 3821382, 4715748, 6156671, 7642764, 12313342, 18470013, 24626684, 36940026, 55410039, 73880052, 110820078, 221640156]

約数ペア:

[(1, 221640156), (2, 110820078), (3, 73880052), (4, 55410039), (6, 36940026), (9, 24626684), (12, 18470013), (18, 12313342), (29, 7642764), (36, 6156671), (47, 4715748), (58, 3821382), (87, 2547588), (94, 2357874), (116, 1910691), (141, 1571916), (174, 1273794), (188, 1178937), (261, 849196), (282, 785958), (348, 636897), (423, 523972), (522, 424598), (564, 392979), (846, 261986), (1044, 212299), (1363, 162612), (1692, 130993), (2726, 81306), (4089, 54204), (4517, 49068), (5452, 40653), (8178, 27102), (9034, 24534), (12267, 18068), (13551, 16356)]