389362728

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 1043435520

約数和(自身を除く): 654072792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 67, 73, 93, 107, 124, 134, 146, 186, 201, 214, 219, 248, 268, 292, 321, 372, 402, 428, 438, 536, 584, 642, 744, 804, 856, 876, 1284, 1608, 1752, 2077, 2263, 2568, 3317, 4154, 4526, 4891, 6231, 6634, 6789, 7169, 7811, 8308, 9052, 9782, 9951, 12462, 13268, 13578, 14338, 14673, 15622, 16616, 18104, 19564, 19902, 21507, 23433, 24924, 26536, 27156, 28676, 29346, 31244, 39128, 39804, 43014, 46866, 49848, 54312, 57352, 58692, 62488, 79608, 86028, 93732, 117384, 151621, 172056, 187464, 222239, 242141, 303242, 444478, 454863, 484282, 523337, 606484, 666717, 726423, 888956, 909726, 968564, 1046674, 1212968, 1333434, 1452846, 1570011, 1777912, 1819452, 1937128, 2093348, 2666868, 2905692, 3140022, 3638904, 4186696, 5333736, 5811384, 6280044, 12560088, 16223447, 32446894, 48670341, 64893788, 97340682, 129787576, 194681364, 389362728]

約数ペア:

[(1, 389362728), (2, 194681364), (3, 129787576), (4, 97340682), (6, 64893788), (8, 48670341), (12, 32446894), (24, 16223447), (31, 12560088), (62, 6280044), (67, 5811384), (73, 5333736), (93, 4186696), (107, 3638904), (124, 3140022), (134, 2905692), (146, 2666868), (186, 2093348), (201, 1937128), (214, 1819452), (219, 1777912), (248, 1570011), (268, 1452846), (292, 1333434), (321, 1212968), (372, 1046674), (402, 968564), (428, 909726), (438, 888956), (536, 726423), (584, 666717), (642, 606484), (744, 523337), (804, 484282), (856, 454863), (876, 444478), (1284, 303242), (1608, 242141), (1752, 222239), (2077, 187464), (2263, 172056), (2568, 151621), (3317, 117384), (4154, 93732), (4526, 86028), (4891, 79608), (6231, 62488), (6634, 58692), (6789, 57352), (7169, 54312), (7811, 49848), (8308, 46866), (9052, 43014), (9782, 39804), (9951, 39128), (12462, 31244), (13268, 29346), (13578, 28676), (14338, 27156), (14673, 26536), (15622, 24924), (16616, 23433), (18104, 21507), (19564, 19902)]