215321028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{1669}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 542041920

約数和(自身を除く): 326720892

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 827, 1654, 1669, 2481, 3308, 3338, 4962, 5007, 6676, 9924, 10014, 10751, 20028, 21502, 21697, 32253, 43004, 43394, 64506, 65091, 86788, 129012, 130182, 260364, 1380263, 2760526, 4140789, 5521052, 8281578, 16563156, 17943419, 35886838, 53830257, 71773676, 107660514, 215321028]

約数ペア:

[(1, 215321028), (2, 107660514), (3, 71773676), (4, 53830257), (6, 35886838), (12, 17943419), (13, 16563156), (26, 8281578), (39, 5521052), (52, 4140789), (78, 2760526), (156, 1380263), (827, 260364), (1654, 130182), (1669, 129012), (2481, 86788), (3308, 65091), (3338, 64506), (4962, 43394), (5007, 43004), (6676, 32253), (9924, 21697), (10014, 21502), (10751, 20028)]