215785908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20047}}^1$

素因数の和:20093

約数の個数: 72

約数和(自身を含む): 612987648

約数和(自身を除く): 397201740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 20047, 40094, 60141, 80188, 120282, 180423, 240564, 260611, 360846, 461081, 521222, 721692, 781833, 922162, 1042444, 1383243, 1563666, 1844324, 2345499, 2766486, 3127332, 4149729, 4690998, 5532972, 5994053, 8299458, 9381996, 11988106, 16598916, 17982159, 23976212, 35964318, 53946477, 71928636, 107892954, 215785908]

約数ペア:

[(1, 215785908), (2, 107892954), (3, 71928636), (4, 53946477), (6, 35964318), (9, 23976212), (12, 17982159), (13, 16598916), (18, 11988106), (23, 9381996), (26, 8299458), (36, 5994053), (39, 5532972), (46, 4690998), (52, 4149729), (69, 3127332), (78, 2766486), (92, 2345499), (117, 1844324), (138, 1563666), (156, 1383243), (207, 1042444), (234, 922162), (276, 781833), (299, 721692), (414, 521222), (468, 461081), (598, 360846), (828, 260611), (897, 240564), (1196, 180423), (1794, 120282), (2691, 80188), (3588, 60141), (5382, 40094), (10764, 20047)]